* [PATCHSET v4 00/13] xfs: minor cleanups of the quota functions
@ 2021-01-29 2:16 Darrick J. Wong
2021-01-29 2:16 ` [PATCH 01/13] xfs: clean up quota reservation callsites Darrick J. Wong
` (12 more replies)
0 siblings, 13 replies; 19+ messages in thread
From: Darrick J. Wong @ 2021-01-29 2:16 UTC (permalink / raw)
To: djwong; +Cc: Christoph Hellwig, Brian Foster, linux-xfs, hch, david, bfoster
Hi all,
This series reworks some of the internal quota APIs and cleans up some
of the function calls so that we have a clean(er) place to start the
space reclamation patchset. The first five patches clean up the
existing quota transaction helpers. The next five patches create a
common helper to allocate space, quota, and transaction to handle a file
modification. The final three patches of the series create common
helpers to do more or less the same thing for file creation and chown
operations. The goal of these changes is to reduce open-coded idioms,
which makes the job of the space reclamation patchset easier since we
can now (mostly) hide the retry loops within single functions.
v2: rework the xfs_quota_reserve_blkres calling conventions per hch
v3: create new xfs_trans_alloc* helpers that will take care of free
space and quota reservation all at once for block allocations, inode
creation, and chown operations, to simplify the subsequent patches.
v4: fix some jump labels, improve commit messages, call out a quota
accounting fix on dax files, fix some locking conventions with
reflink
If you're going to start using this mess, you probably ought to just
pull from my git trees, which are linked below.
This is an extraordinary way to destroy everything. Enjoy!
Comments and questions are, as always, welcome.
--D
kernel git tree:
https://git.kernel.org/cgit/linux/kernel/git/djwong/xfs-linux.git/log/?h=quota-function-cleanups-5.12
---
fs/xfs/libxfs/xfs_attr.c | 15 -----
fs/xfs/libxfs/xfs_bmap.c | 23 ++-----
fs/xfs/xfs_bmap_util.c | 60 ++++---------------
fs/xfs/xfs_inode.c | 30 +++------
fs/xfs/xfs_ioctl.c | 4 +
fs/xfs/xfs_iomap.c | 54 +++++------------
fs/xfs/xfs_iops.c | 5 +-
fs/xfs/xfs_qm.c | 93 -----------------------------
fs/xfs/xfs_quota.h | 59 ++++++++++++++----
fs/xfs/xfs_reflink.c | 71 ++++++++--------------
fs/xfs/xfs_symlink.c | 15 +----
fs/xfs/xfs_trans.c | 83 ++++++++++++++++++++++++++
fs/xfs/xfs_trans.h | 10 +++
fs/xfs/xfs_trans_dquot.c | 149 +++++++++++++++++++++++++++++++++++++++++++---
14 files changed, 359 insertions(+), 312 deletions(-)
^ permalink raw reply [flat|nested] 19+ messages in thread
* [PATCH 01/13] xfs: clean up quota reservation callsites
2021-01-29 2:16 [PATCHSET v4 00/13] xfs: minor cleanups of the quota functions Darrick J. Wong
@ 2021-01-29 2:16 ` Darrick J. Wong
2021-01-29 2:16 ` [PATCH 02/13] xfs: create convenience wrappers for incore quota block reservations Darrick J. Wong
` (11 subsequent siblings)
12 siblings, 0 replies; 19+ messages in thread
From: Darrick J. Wong @ 2021-01-29 2:16 UTC (permalink / raw)
To: djwong; +Cc: Christoph Hellwig, Brian Foster, linux-xfs, hch, david, bfoster
From: Darrick J. Wong <djwong@kernel.org>
Convert a few xfs_trans_*reserve* callsites that are open-coding other
convenience functions.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
---
fs/xfs/libxfs/xfs_bmap.c | 3 +--
fs/xfs/xfs_bmap_util.c | 4 ++--
fs/xfs/xfs_reflink.c | 4 ++--
3 files changed, 5 insertions(+), 6 deletions(-)
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 7ea1dbbe3d0b..c730288b5981 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -4937,8 +4937,7 @@ xfs_bmap_del_extent_delay(
* sb counters as we might have to borrow some blocks for the
* indirect block accounting.
*/
- error = xfs_trans_reserve_quota_nblks(NULL, ip,
- -((long)del->br_blockcount), 0,
+ error = xfs_trans_unreserve_quota_nblks(NULL, ip, del->br_blockcount, 0,
isrt ? XFS_QMOPT_RES_RTBLKS : XFS_QMOPT_RES_REGBLKS);
if (error)
return error;
diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c
index f3f8c48ff5bf..792809debaaa 100644
--- a/fs/xfs/xfs_bmap_util.c
+++ b/fs/xfs/xfs_bmap_util.c
@@ -884,8 +884,8 @@ xfs_unmap_extent(
}
xfs_ilock(ip, XFS_ILOCK_EXCL);
- error = xfs_trans_reserve_quota(tp, mp, ip->i_udquot, ip->i_gdquot,
- ip->i_pdquot, resblks, 0, XFS_QMOPT_RES_REGBLKS);
+ error = xfs_trans_reserve_quota_nblks(tp, ip, resblks, 0,
+ XFS_QMOPT_RES_REGBLKS);
if (error)
goto out_trans_cancel;
diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c
index e1c98dbf79e4..183142fd0961 100644
--- a/fs/xfs/xfs_reflink.c
+++ b/fs/xfs/xfs_reflink.c
@@ -508,8 +508,8 @@ xfs_reflink_cancel_cow_blocks(
xfs_bmap_del_extent_cow(ip, &icur, &got, &del);
/* Remove the quota reservation */
- error = xfs_trans_reserve_quota_nblks(NULL, ip,
- -(long)del.br_blockcount, 0,
+ error = xfs_trans_unreserve_quota_nblks(NULL, ip,
+ del.br_blockcount, 0,
XFS_QMOPT_RES_REGBLKS);
if (error)
break;
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH 02/13] xfs: create convenience wrappers for incore quota block reservations
2021-01-29 2:16 [PATCHSET v4 00/13] xfs: minor cleanups of the quota functions Darrick J. Wong
2021-01-29 2:16 ` [PATCH 01/13] xfs: clean up quota reservation callsites Darrick J. Wong
@ 2021-01-29 2:16 ` Darrick J. Wong
2021-01-29 2:16 ` [PATCH 03/13] xfs: remove xfs_trans_unreserve_quota_nblks completely Darrick J. Wong
` (10 subsequent siblings)
12 siblings, 0 replies; 19+ messages in thread
From: Darrick J. Wong @ 2021-01-29 2:16 UTC (permalink / raw)
To: djwong; +Cc: Christoph Hellwig, Brian Foster, linux-xfs, hch, david, bfoster
From: Darrick J. Wong <djwong@kernel.org>
Create a couple of convenience wrappers for creating and deleting quota
block reservations against future changes.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
---
fs/xfs/libxfs/xfs_bmap.c | 10 ++++------
fs/xfs/xfs_quota.h | 19 +++++++++++++++++++
fs/xfs/xfs_reflink.c | 5 ++---
3 files changed, 25 insertions(+), 9 deletions(-)
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index c730288b5981..94d582a9587d 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -4097,8 +4097,7 @@ xfs_bmapi_reserve_delalloc(
* blocks. This number gets adjusted later. We return if we haven't
* allocated blocks already inside this loop.
*/
- error = xfs_trans_reserve_quota_nblks(NULL, ip, (long)alen, 0,
- XFS_QMOPT_RES_REGBLKS);
+ error = xfs_quota_reserve_blkres(ip, alen);
if (error)
return error;
@@ -4144,8 +4143,7 @@ xfs_bmapi_reserve_delalloc(
xfs_mod_fdblocks(mp, alen, false);
out_unreserve_quota:
if (XFS_IS_QUOTA_ON(mp))
- xfs_trans_unreserve_quota_nblks(NULL, ip, (long)alen, 0,
- XFS_QMOPT_RES_REGBLKS);
+ xfs_quota_unreserve_blkres(ip, alen);
return error;
}
@@ -4937,8 +4935,8 @@ xfs_bmap_del_extent_delay(
* sb counters as we might have to borrow some blocks for the
* indirect block accounting.
*/
- error = xfs_trans_unreserve_quota_nblks(NULL, ip, del->br_blockcount, 0,
- isrt ? XFS_QMOPT_RES_RTBLKS : XFS_QMOPT_RES_REGBLKS);
+ ASSERT(!isrt);
+ error = xfs_quota_unreserve_blkres(ip, del->br_blockcount);
if (error)
return error;
ip->i_delayed_blks -= del->br_blockcount;
diff --git a/fs/xfs/xfs_quota.h b/fs/xfs/xfs_quota.h
index 5a62398940d0..1d1a1634ea29 100644
--- a/fs/xfs/xfs_quota.h
+++ b/fs/xfs/xfs_quota.h
@@ -108,6 +108,12 @@ extern void xfs_qm_mount_quotas(struct xfs_mount *);
extern void xfs_qm_unmount(struct xfs_mount *);
extern void xfs_qm_unmount_quotas(struct xfs_mount *);
+static inline int
+xfs_quota_reserve_blkres(struct xfs_inode *ip, int64_t blocks)
+{
+ return xfs_trans_reserve_quota_nblks(NULL, ip, blocks, 0,
+ XFS_QMOPT_RES_REGBLKS);
+}
#else
static inline int
xfs_qm_vop_dqalloc(struct xfs_inode *ip, kuid_t kuid, kgid_t kgid,
@@ -136,6 +142,13 @@ static inline int xfs_trans_reserve_quota_bydquots(struct xfs_trans *tp,
{
return 0;
}
+
+static inline int
+xfs_quota_reserve_blkres(struct xfs_inode *ip, int64_t blocks)
+{
+ return 0;
+}
+
#define xfs_qm_vop_create_dqattach(tp, ip, u, g, p)
#define xfs_qm_vop_rename_dqattach(it) (0)
#define xfs_qm_vop_chown(tp, ip, old, new) (NULL)
@@ -157,6 +170,12 @@ static inline int xfs_trans_reserve_quota_bydquots(struct xfs_trans *tp,
xfs_trans_reserve_quota_bydquots(tp, mp, ud, gd, pd, nb, ni, \
f | XFS_QMOPT_RES_REGBLKS)
+static inline int
+xfs_quota_unreserve_blkres(struct xfs_inode *ip, int64_t blocks)
+{
+ return xfs_quota_reserve_blkres(ip, -blocks);
+}
+
extern int xfs_mount_reset_sbqflags(struct xfs_mount *);
#endif /* __XFS_QUOTA_H__ */
diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c
index 183142fd0961..bea64ed5a57f 100644
--- a/fs/xfs/xfs_reflink.c
+++ b/fs/xfs/xfs_reflink.c
@@ -508,9 +508,8 @@ xfs_reflink_cancel_cow_blocks(
xfs_bmap_del_extent_cow(ip, &icur, &got, &del);
/* Remove the quota reservation */
- error = xfs_trans_unreserve_quota_nblks(NULL, ip,
- del.br_blockcount, 0,
- XFS_QMOPT_RES_REGBLKS);
+ error = xfs_quota_unreserve_blkres(ip,
+ del.br_blockcount);
if (error)
break;
} else {
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH 03/13] xfs: remove xfs_trans_unreserve_quota_nblks completely
2021-01-29 2:16 [PATCHSET v4 00/13] xfs: minor cleanups of the quota functions Darrick J. Wong
2021-01-29 2:16 ` [PATCH 01/13] xfs: clean up quota reservation callsites Darrick J. Wong
2021-01-29 2:16 ` [PATCH 02/13] xfs: create convenience wrappers for incore quota block reservations Darrick J. Wong
@ 2021-01-29 2:16 ` Darrick J. Wong
2021-01-29 2:16 ` [PATCH 04/13] xfs: clean up icreate quota reservation calls Darrick J. Wong
` (9 subsequent siblings)
12 siblings, 0 replies; 19+ messages in thread
From: Darrick J. Wong @ 2021-01-29 2:16 UTC (permalink / raw)
To: djwong; +Cc: Christoph Hellwig, Brian Foster, linux-xfs, hch, david, bfoster
From: Darrick J. Wong <djwong@kernel.org>
xfs_trans_cancel will release all the quota resources that were reserved
on behalf of the transaction, so get rid of the explicit unreserve step.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
---
fs/xfs/xfs_bmap_util.c | 11 ++++-------
fs/xfs/xfs_iomap.c | 6 ++----
fs/xfs/xfs_quota.h | 2 --
fs/xfs/xfs_reflink.c | 5 +----
4 files changed, 7 insertions(+), 17 deletions(-)
diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c
index 792809debaaa..ae2d98af693c 100644
--- a/fs/xfs/xfs_bmap_util.c
+++ b/fs/xfs/xfs_bmap_util.c
@@ -820,12 +820,12 @@ xfs_alloc_file_space(
error = xfs_trans_reserve_quota_nblks(tp, ip, qblocks,
0, quota_flag);
if (error)
- goto error1;
+ goto error;
error = xfs_iext_count_may_overflow(ip, XFS_DATA_FORK,
XFS_IEXT_ADD_NOSPLIT_CNT);
if (error)
- goto error0;
+ goto error;
xfs_trans_ijoin(tp, ip, 0);
@@ -833,7 +833,7 @@ xfs_alloc_file_space(
allocatesize_fsb, alloc_type, 0, imapp,
&nimaps);
if (error)
- goto error0;
+ goto error;
/*
* Complete the transaction
@@ -856,10 +856,7 @@ xfs_alloc_file_space(
return error;
-error0: /* unlock inode, unreserve quota blocks, cancel trans */
- xfs_trans_unreserve_quota_nblks(tp, ip, (long)qblocks, 0, quota_flag);
-
-error1: /* Just cancel transaction */
+error:
xfs_trans_cancel(tp);
xfs_iunlock(ip, XFS_ILOCK_EXCL);
return error;
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index 514e6ae010e0..de0e371ba4dd 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -253,7 +253,7 @@ xfs_iomap_write_direct(
error = xfs_iext_count_may_overflow(ip, XFS_DATA_FORK,
XFS_IEXT_ADD_NOSPLIT_CNT);
if (error)
- goto out_res_cancel;
+ goto out_trans_cancel;
xfs_trans_ijoin(tp, ip, 0);
@@ -265,7 +265,7 @@ xfs_iomap_write_direct(
error = xfs_bmapi_write(tp, ip, offset_fsb, count_fsb, bmapi_flags, 0,
imap, &nimaps);
if (error)
- goto out_res_cancel;
+ goto out_trans_cancel;
/*
* Complete the transaction
@@ -289,8 +289,6 @@ xfs_iomap_write_direct(
xfs_iunlock(ip, XFS_ILOCK_EXCL);
return error;
-out_res_cancel:
- xfs_trans_unreserve_quota_nblks(tp, ip, (long)qblocks, 0, quota_flag);
out_trans_cancel:
xfs_trans_cancel(tp);
goto out_unlock;
diff --git a/fs/xfs/xfs_quota.h b/fs/xfs/xfs_quota.h
index 1d1a1634ea29..31d0de899cc4 100644
--- a/fs/xfs/xfs_quota.h
+++ b/fs/xfs/xfs_quota.h
@@ -164,8 +164,6 @@ xfs_quota_reserve_blkres(struct xfs_inode *ip, int64_t blocks)
#define xfs_qm_unmount_quotas(mp)
#endif /* CONFIG_XFS_QUOTA */
-#define xfs_trans_unreserve_quota_nblks(tp, ip, nblks, ninos, flags) \
- xfs_trans_reserve_quota_nblks(tp, ip, -(nblks), -(ninos), flags)
#define xfs_trans_reserve_quota(tp, mp, ud, gd, pd, nb, ni, f) \
xfs_trans_reserve_quota_bydquots(tp, mp, ud, gd, pd, nb, ni, \
f | XFS_QMOPT_RES_REGBLKS)
diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c
index bea64ed5a57f..15435229bc1f 100644
--- a/fs/xfs/xfs_reflink.c
+++ b/fs/xfs/xfs_reflink.c
@@ -411,7 +411,7 @@ xfs_reflink_allocate_cow(
XFS_BMAPI_COWFORK | XFS_BMAPI_PREALLOC, 0, cmap,
&nimaps);
if (error)
- goto out_unreserve;
+ goto out_trans_cancel;
xfs_inode_set_cowblocks_tag(ip);
error = xfs_trans_commit(tp);
@@ -436,9 +436,6 @@ xfs_reflink_allocate_cow(
trace_xfs_reflink_convert_cow(ip, cmap);
return xfs_reflink_convert_cow_locked(ip, offset_fsb, count_fsb);
-out_unreserve:
- xfs_trans_unreserve_quota_nblks(tp, ip, (long)resblks, 0,
- XFS_QMOPT_RES_REGBLKS);
out_trans_cancel:
xfs_trans_cancel(tp);
return error;
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH 04/13] xfs: clean up icreate quota reservation calls
2021-01-29 2:16 [PATCHSET v4 00/13] xfs: minor cleanups of the quota functions Darrick J. Wong
` (2 preceding siblings ...)
2021-01-29 2:16 ` [PATCH 03/13] xfs: remove xfs_trans_unreserve_quota_nblks completely Darrick J. Wong
@ 2021-01-29 2:16 ` Darrick J. Wong
2021-01-29 2:16 ` [PATCH 05/13] xfs: fix up build warnings when quotas are disabled Darrick J. Wong
` (8 subsequent siblings)
12 siblings, 0 replies; 19+ messages in thread
From: Darrick J. Wong @ 2021-01-29 2:16 UTC (permalink / raw)
To: djwong; +Cc: Christoph Hellwig, Brian Foster, linux-xfs, hch, david, bfoster
From: Darrick J. Wong <djwong@kernel.org>
Create a proper helper so that inode creation calls can reserve quota
with a dedicated function.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
---
fs/xfs/xfs_inode.c | 6 ++----
fs/xfs/xfs_quota.h | 14 ++++++++++----
fs/xfs/xfs_symlink.c | 3 +--
fs/xfs/xfs_trans_dquot.c | 18 ++++++++++++++++++
4 files changed, 31 insertions(+), 10 deletions(-)
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index e2a1db4cee43..4bbd2fb628f7 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -1037,8 +1037,7 @@ xfs_create(
/*
* Reserve disk quota and the inode.
*/
- error = xfs_trans_reserve_quota(tp, mp, udqp, gdqp,
- pdqp, resblks, 1, 0);
+ error = xfs_trans_reserve_quota_icreate(tp, udqp, gdqp, pdqp, resblks);
if (error)
goto out_trans_cancel;
@@ -1169,8 +1168,7 @@ xfs_create_tmpfile(
if (error)
goto out_release_inode;
- error = xfs_trans_reserve_quota(tp, mp, udqp, gdqp,
- pdqp, resblks, 1, 0);
+ error = xfs_trans_reserve_quota_icreate(tp, udqp, gdqp, pdqp, resblks);
if (error)
goto out_trans_cancel;
diff --git a/fs/xfs/xfs_quota.h b/fs/xfs/xfs_quota.h
index 31d0de899cc4..919c3a924821 100644
--- a/fs/xfs/xfs_quota.h
+++ b/fs/xfs/xfs_quota.h
@@ -86,6 +86,9 @@ extern int xfs_trans_reserve_quota_nblks(struct xfs_trans *,
extern int xfs_trans_reserve_quota_bydquots(struct xfs_trans *,
struct xfs_mount *, struct xfs_dquot *,
struct xfs_dquot *, struct xfs_dquot *, int64_t, long, uint);
+int xfs_trans_reserve_quota_icreate(struct xfs_trans *tp,
+ struct xfs_dquot *udqp, struct xfs_dquot *gdqp,
+ struct xfs_dquot *pdqp, int64_t dblocks);
extern int xfs_qm_vop_dqalloc(struct xfs_inode *, kuid_t, kgid_t,
prid_t, uint, struct xfs_dquot **, struct xfs_dquot **,
@@ -149,6 +152,13 @@ xfs_quota_reserve_blkres(struct xfs_inode *ip, int64_t blocks)
return 0;
}
+static inline int
+xfs_trans_reserve_quota_icreate(struct xfs_trans *tp, struct xfs_dquot *udqp,
+ struct xfs_dquot *gdqp, struct xfs_dquot *pdqp, int64_t dblocks)
+{
+ return 0;
+}
+
#define xfs_qm_vop_create_dqattach(tp, ip, u, g, p)
#define xfs_qm_vop_rename_dqattach(it) (0)
#define xfs_qm_vop_chown(tp, ip, old, new) (NULL)
@@ -164,10 +174,6 @@ xfs_quota_reserve_blkres(struct xfs_inode *ip, int64_t blocks)
#define xfs_qm_unmount_quotas(mp)
#endif /* CONFIG_XFS_QUOTA */
-#define xfs_trans_reserve_quota(tp, mp, ud, gd, pd, nb, ni, f) \
- xfs_trans_reserve_quota_bydquots(tp, mp, ud, gd, pd, nb, ni, \
- f | XFS_QMOPT_RES_REGBLKS)
-
static inline int
xfs_quota_unreserve_blkres(struct xfs_inode *ip, int64_t blocks)
{
diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c
index 7f96649e918a..d5dee8f409b2 100644
--- a/fs/xfs/xfs_symlink.c
+++ b/fs/xfs/xfs_symlink.c
@@ -215,8 +215,7 @@ xfs_symlink(
/*
* Reserve disk quota : blocks and inode.
*/
- error = xfs_trans_reserve_quota(tp, mp, udqp, gdqp,
- pdqp, resblks, 1, 0);
+ error = xfs_trans_reserve_quota_icreate(tp, udqp, gdqp, pdqp, resblks);
if (error)
goto out_trans_cancel;
diff --git a/fs/xfs/xfs_trans_dquot.c b/fs/xfs/xfs_trans_dquot.c
index 28b8ac701919..22aa875b84f7 100644
--- a/fs/xfs/xfs_trans_dquot.c
+++ b/fs/xfs/xfs_trans_dquot.c
@@ -804,6 +804,24 @@ xfs_trans_reserve_quota_nblks(
nblks, ninos, flags);
}
+/* Change the quota reservations for an inode creation activity. */
+int
+xfs_trans_reserve_quota_icreate(
+ struct xfs_trans *tp,
+ struct xfs_dquot *udqp,
+ struct xfs_dquot *gdqp,
+ struct xfs_dquot *pdqp,
+ int64_t dblocks)
+{
+ struct xfs_mount *mp = tp->t_mountp;
+
+ if (!XFS_IS_QUOTA_RUNNING(mp) || !XFS_IS_QUOTA_ON(mp))
+ return 0;
+
+ return xfs_trans_reserve_quota_bydquots(tp, mp, udqp, gdqp, pdqp,
+ dblocks, 1, XFS_QMOPT_RES_REGBLKS);
+}
+
/*
* This routine is called to allocate a quotaoff log item.
*/
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH 05/13] xfs: fix up build warnings when quotas are disabled
2021-01-29 2:16 [PATCHSET v4 00/13] xfs: minor cleanups of the quota functions Darrick J. Wong
` (3 preceding siblings ...)
2021-01-29 2:16 ` [PATCH 04/13] xfs: clean up icreate quota reservation calls Darrick J. Wong
@ 2021-01-29 2:16 ` Darrick J. Wong
2021-01-29 2:17 ` [PATCH 06/13] xfs: reduce quota reservation when doing a dax unwritten extent conversion Darrick J. Wong
` (7 subsequent siblings)
12 siblings, 0 replies; 19+ messages in thread
From: Darrick J. Wong @ 2021-01-29 2:16 UTC (permalink / raw)
To: djwong; +Cc: Christoph Hellwig, Brian Foster, linux-xfs, hch, david, bfoster
From: Darrick J. Wong <djwong@kernel.org>
Fix some build warnings on gcc 10.2 when quotas are disabled.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
---
fs/xfs/xfs_quota.h | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/fs/xfs/xfs_quota.h b/fs/xfs/xfs_quota.h
index 919c3a924821..03235c184aab 100644
--- a/fs/xfs/xfs_quota.h
+++ b/fs/xfs/xfs_quota.h
@@ -130,7 +130,7 @@ xfs_qm_vop_dqalloc(struct xfs_inode *ip, kuid_t kuid, kgid_t kgid,
}
#define xfs_trans_dup_dqinfo(tp, tp2)
#define xfs_trans_free_dqinfo(tp)
-#define xfs_trans_mod_dquot_byino(tp, ip, fields, delta)
+#define xfs_trans_mod_dquot_byino(tp, ip, fields, delta) do { } while (0)
#define xfs_trans_apply_dquot_deltas(tp)
#define xfs_trans_unreserve_and_mod_dquots(tp)
static inline int xfs_trans_reserve_quota_nblks(struct xfs_trans *tp,
@@ -166,8 +166,8 @@ xfs_trans_reserve_quota_icreate(struct xfs_trans *tp, struct xfs_dquot *udqp,
#define xfs_qm_dqattach(ip) (0)
#define xfs_qm_dqattach_locked(ip, fl) (0)
#define xfs_qm_dqdetach(ip)
-#define xfs_qm_dqrele(d)
-#define xfs_qm_statvfs(ip, s)
+#define xfs_qm_dqrele(d) do { (d) = (d); } while(0)
+#define xfs_qm_statvfs(ip, s) do { } while(0)
#define xfs_qm_newmount(mp, a, b) (0)
#define xfs_qm_mount_quotas(mp)
#define xfs_qm_unmount(mp)
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH 06/13] xfs: reduce quota reservation when doing a dax unwritten extent conversion
2021-01-29 2:16 [PATCHSET v4 00/13] xfs: minor cleanups of the quota functions Darrick J. Wong
` (4 preceding siblings ...)
2021-01-29 2:16 ` [PATCH 05/13] xfs: fix up build warnings when quotas are disabled Darrick J. Wong
@ 2021-01-29 2:17 ` Darrick J. Wong
2021-01-29 5:57 ` Christoph Hellwig
2021-01-29 2:17 ` [PATCH 07/13] xfs: reserve data and rt quota at the same time Darrick J. Wong
` (6 subsequent siblings)
12 siblings, 1 reply; 19+ messages in thread
From: Darrick J. Wong @ 2021-01-29 2:17 UTC (permalink / raw)
To: djwong; +Cc: linux-xfs, hch, david, bfoster
From: Darrick J. Wong <djwong@kernel.org>
In commit 3b0fe47805802, we reduced the free space requirement to
perform a pre-write unwritten extent conversion on an S_DAX file. Since
we're not actually allocating any space, the logic goes, we only need
enough reservation to handle shape changes in the bmbt.
The same logic should have been applied to quota -- we're not allocating
any space, so we only need to reserve enough quota to handle the bmbt
shape changes.
Fixes: 3b0fe4780580 ("xfs: Don't use reserved blocks for data blocks with DAX")
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
---
fs/xfs/xfs_iomap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index de0e371ba4dd..6dfb8d19b540 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -236,7 +236,7 @@ xfs_iomap_write_direct(
bmapi_flags = XFS_BMAPI_CONVERT | XFS_BMAPI_ZERO;
if (imap->br_state == XFS_EXT_UNWRITTEN) {
tflags |= XFS_TRANS_RESERVE;
- resblks = XFS_DIOSTRAT_SPACE_RES(mp, 0) << 1;
+ resblks = qblocks = XFS_DIOSTRAT_SPACE_RES(mp, 0) << 1;
}
}
error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, resblks, resrtextents,
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH 07/13] xfs: reserve data and rt quota at the same time
2021-01-29 2:16 [PATCHSET v4 00/13] xfs: minor cleanups of the quota functions Darrick J. Wong
` (5 preceding siblings ...)
2021-01-29 2:17 ` [PATCH 06/13] xfs: reduce quota reservation when doing a dax unwritten extent conversion Darrick J. Wong
@ 2021-01-29 2:17 ` Darrick J. Wong
2021-01-29 2:17 ` [PATCH 08/13] xfs: refactor common transaction/inode/quota allocation idiom Darrick J. Wong
` (5 subsequent siblings)
12 siblings, 0 replies; 19+ messages in thread
From: Darrick J. Wong @ 2021-01-29 2:17 UTC (permalink / raw)
To: djwong; +Cc: Christoph Hellwig, linux-xfs, hch, david, bfoster
From: Darrick J. Wong <djwong@kernel.org>
Modify xfs_trans_reserve_quota_nblks so that we can reserve data and
realtime blocks from the dquot at the same time. This change has the
theoretical side effect that for allocations to realtime files we will
reserve from the dquot both the number of rtblocks being allocated and
the number of bmbt blocks that might be needed to add the mapping.
However, since the mount code disables quota if it finds a realtime
device, this should not result in any behavior changes.
Now that we've moved the inode creation callers away from using the
_nblks function, we can repurpose the (now unused) ninos argument for
realtime blocks, so make that change. This also replaces the flags
argument with a boolean parameter to force the reservation since we
don't need to distinguish between data and rt quota reservations any
more, and the only flag being passed in was FORCE_RES.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
fs/xfs/libxfs/xfs_attr.c | 6 +-----
fs/xfs/libxfs/xfs_bmap.c | 4 +---
fs/xfs/xfs_bmap_util.c | 24 +++++++++++-------------
fs/xfs/xfs_iomap.c | 26 +++++++++++++-------------
fs/xfs/xfs_quota.h | 10 +++++-----
fs/xfs/xfs_reflink.c | 6 ++----
fs/xfs/xfs_trans_dquot.c | 42 ++++++++++++++++++++++++++++--------------
7 files changed, 61 insertions(+), 57 deletions(-)
diff --git a/fs/xfs/libxfs/xfs_attr.c b/fs/xfs/libxfs/xfs_attr.c
index be51e7068dcd..e05dc0bc4a8f 100644
--- a/fs/xfs/libxfs/xfs_attr.c
+++ b/fs/xfs/libxfs/xfs_attr.c
@@ -474,12 +474,8 @@ xfs_attr_set(
}
if (args->value) {
- unsigned int quota_flags = XFS_QMOPT_RES_REGBLKS;
-
- if (rsvd)
- quota_flags |= XFS_QMOPT_FORCE_RES;
error = xfs_trans_reserve_quota_nblks(args->trans, dp,
- args->total, 0, quota_flags);
+ args->total, 0, rsvd);
if (error)
goto out_trans_cancel;
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 94d582a9587d..6e6734398f0d 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -1085,9 +1085,7 @@ xfs_bmap_add_attrfork(
return error;
xfs_ilock(ip, XFS_ILOCK_EXCL);
- error = xfs_trans_reserve_quota_nblks(tp, ip, blks, 0, rsvd ?
- XFS_QMOPT_RES_REGBLKS | XFS_QMOPT_FORCE_RES :
- XFS_QMOPT_RES_REGBLKS);
+ error = xfs_trans_reserve_quota_nblks(tp, ip, blks, 0, rsvd);
if (error)
goto trans_cancel;
if (XFS_IFORK_Q(ip))
diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c
index ae2d98af693c..ef8f7055af77 100644
--- a/fs/xfs/xfs_bmap_util.c
+++ b/fs/xfs/xfs_bmap_util.c
@@ -727,11 +727,10 @@ xfs_alloc_file_space(
xfs_fileoff_t startoffset_fsb;
xfs_fileoff_t endoffset_fsb;
int nimaps;
- int quota_flag;
int rt;
xfs_trans_t *tp;
xfs_bmbt_irec_t imaps[1], *imapp;
- uint qblocks, resblks, resrtextents;
+ uint resblks, resrtextents;
int error;
trace_xfs_alloc_file_space(ip);
@@ -761,6 +760,7 @@ xfs_alloc_file_space(
*/
while (allocatesize_fsb && !error) {
xfs_fileoff_t s, e;
+ unsigned int dblocks, rblocks;
/*
* Determine space reservations for data/realtime.
@@ -790,20 +790,19 @@ xfs_alloc_file_space(
*/
resblks = min_t(xfs_fileoff_t, (e - s), (MAXEXTLEN * nimaps));
if (unlikely(rt)) {
- resrtextents = qblocks = resblks;
+ resrtextents = resblks;
resrtextents /= mp->m_sb.sb_rextsize;
- resblks = XFS_DIOSTRAT_SPACE_RES(mp, 0);
- quota_flag = XFS_QMOPT_RES_RTBLKS;
+ dblocks = XFS_DIOSTRAT_SPACE_RES(mp, 0);
+ rblocks = resblks;
} else {
- resrtextents = 0;
- resblks = qblocks = XFS_DIOSTRAT_SPACE_RES(mp, resblks);
- quota_flag = XFS_QMOPT_RES_REGBLKS;
+ dblocks = XFS_DIOSTRAT_SPACE_RES(mp, resblks);
+ rblocks = 0;
}
/*
* Allocate and setup the transaction.
*/
- error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, resblks,
+ error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, dblocks,
resrtextents, 0, &tp);
/*
@@ -817,8 +816,8 @@ xfs_alloc_file_space(
break;
}
xfs_ilock(ip, XFS_ILOCK_EXCL);
- error = xfs_trans_reserve_quota_nblks(tp, ip, qblocks,
- 0, quota_flag);
+ error = xfs_trans_reserve_quota_nblks(tp, ip, dblocks, rblocks,
+ false);
if (error)
goto error;
@@ -881,8 +880,7 @@ xfs_unmap_extent(
}
xfs_ilock(ip, XFS_ILOCK_EXCL);
- error = xfs_trans_reserve_quota_nblks(tp, ip, resblks, 0,
- XFS_QMOPT_RES_REGBLKS);
+ error = xfs_trans_reserve_quota_nblks(tp, ip, resblks, 0, false);
if (error)
goto out_trans_cancel;
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index 6dfb8d19b540..ef29d44c656a 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -194,25 +194,25 @@ xfs_iomap_write_direct(
struct xfs_trans *tp;
xfs_filblks_t resaligned;
int nimaps;
- int quota_flag;
- uint qblocks, resblks;
+ unsigned int dblocks, rblocks;
unsigned int resrtextents = 0;
int error;
int bmapi_flags = XFS_BMAPI_PREALLOC;
- uint tflags = 0;
+ int tflags = 0;
+ bool force = false;
ASSERT(count_fsb > 0);
resaligned = xfs_aligned_fsb_count(offset_fsb, count_fsb,
xfs_get_extsz_hint(ip));
if (unlikely(XFS_IS_REALTIME_INODE(ip))) {
- resrtextents = qblocks = resaligned;
+ resrtextents = resaligned;
resrtextents /= mp->m_sb.sb_rextsize;
- resblks = XFS_DIOSTRAT_SPACE_RES(mp, 0);
- quota_flag = XFS_QMOPT_RES_RTBLKS;
+ dblocks = XFS_DIOSTRAT_SPACE_RES(mp, 0);
+ rblocks = resaligned;
} else {
- resblks = qblocks = XFS_DIOSTRAT_SPACE_RES(mp, resaligned);
- quota_flag = XFS_QMOPT_RES_REGBLKS;
+ dblocks = XFS_DIOSTRAT_SPACE_RES(mp, resaligned);
+ rblocks = 0;
}
error = xfs_qm_dqattach(ip);
@@ -235,18 +235,19 @@ xfs_iomap_write_direct(
if (IS_DAX(VFS_I(ip))) {
bmapi_flags = XFS_BMAPI_CONVERT | XFS_BMAPI_ZERO;
if (imap->br_state == XFS_EXT_UNWRITTEN) {
+ force = true;
tflags |= XFS_TRANS_RESERVE;
- resblks = qblocks = XFS_DIOSTRAT_SPACE_RES(mp, 0) << 1;
+ dblocks = XFS_DIOSTRAT_SPACE_RES(mp, 0) << 1;
}
}
- error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, resblks, resrtextents,
+ error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, dblocks, resrtextents,
tflags, &tp);
if (error)
return error;
xfs_ilock(ip, XFS_ILOCK_EXCL);
- error = xfs_trans_reserve_quota_nblks(tp, ip, qblocks, 0, quota_flag);
+ error = xfs_trans_reserve_quota_nblks(tp, ip, dblocks, rblocks, force);
if (error)
goto out_trans_cancel;
@@ -559,8 +560,7 @@ xfs_iomap_write_unwritten(
xfs_ilock(ip, XFS_ILOCK_EXCL);
xfs_trans_ijoin(tp, ip, 0);
- error = xfs_trans_reserve_quota_nblks(tp, ip, resblks, 0,
- XFS_QMOPT_RES_REGBLKS | XFS_QMOPT_FORCE_RES);
+ error = xfs_trans_reserve_quota_nblks(tp, ip, resblks, 0, true);
if (error)
goto error_on_bmapi_transaction;
diff --git a/fs/xfs/xfs_quota.h b/fs/xfs/xfs_quota.h
index 03235c184aab..6ddc4b358ede 100644
--- a/fs/xfs/xfs_quota.h
+++ b/fs/xfs/xfs_quota.h
@@ -81,8 +81,8 @@ extern void xfs_trans_mod_dquot_byino(struct xfs_trans *, struct xfs_inode *,
uint, int64_t);
extern void xfs_trans_apply_dquot_deltas(struct xfs_trans *);
extern void xfs_trans_unreserve_and_mod_dquots(struct xfs_trans *);
-extern int xfs_trans_reserve_quota_nblks(struct xfs_trans *,
- struct xfs_inode *, int64_t, long, uint);
+int xfs_trans_reserve_quota_nblks(struct xfs_trans *tp, struct xfs_inode *ip,
+ int64_t dblocks, int64_t rblocks, bool force);
extern int xfs_trans_reserve_quota_bydquots(struct xfs_trans *,
struct xfs_mount *, struct xfs_dquot *,
struct xfs_dquot *, struct xfs_dquot *, int64_t, long, uint);
@@ -114,8 +114,7 @@ extern void xfs_qm_unmount_quotas(struct xfs_mount *);
static inline int
xfs_quota_reserve_blkres(struct xfs_inode *ip, int64_t blocks)
{
- return xfs_trans_reserve_quota_nblks(NULL, ip, blocks, 0,
- XFS_QMOPT_RES_REGBLKS);
+ return xfs_trans_reserve_quota_nblks(NULL, ip, blocks, 0, false);
}
#else
static inline int
@@ -134,7 +133,8 @@ xfs_qm_vop_dqalloc(struct xfs_inode *ip, kuid_t kuid, kgid_t kgid,
#define xfs_trans_apply_dquot_deltas(tp)
#define xfs_trans_unreserve_and_mod_dquots(tp)
static inline int xfs_trans_reserve_quota_nblks(struct xfs_trans *tp,
- struct xfs_inode *ip, int64_t nblks, long ninos, uint flags)
+ struct xfs_inode *ip, int64_t dblocks, int64_t rblocks,
+ bool force)
{
return 0;
}
diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c
index 15435229bc1f..0778b5810c26 100644
--- a/fs/xfs/xfs_reflink.c
+++ b/fs/xfs/xfs_reflink.c
@@ -398,8 +398,7 @@ xfs_reflink_allocate_cow(
goto convert;
}
- error = xfs_trans_reserve_quota_nblks(tp, ip, resblks, 0,
- XFS_QMOPT_RES_REGBLKS);
+ error = xfs_trans_reserve_quota_nblks(tp, ip, resblks, 0, false);
if (error)
goto out_trans_cancel;
@@ -1090,8 +1089,7 @@ xfs_reflink_remap_extent(
if (!smap_real && dmap_written)
qres += dmap->br_blockcount;
if (qres > 0) {
- error = xfs_trans_reserve_quota_nblks(tp, ip, qres, 0,
- XFS_QMOPT_RES_REGBLKS);
+ error = xfs_trans_reserve_quota_nblks(tp, ip, qres, 0, false);
if (error)
goto out_cancel;
}
diff --git a/fs/xfs/xfs_trans_dquot.c b/fs/xfs/xfs_trans_dquot.c
index 22aa875b84f7..a1a72b7900c5 100644
--- a/fs/xfs/xfs_trans_dquot.c
+++ b/fs/xfs/xfs_trans_dquot.c
@@ -780,28 +780,42 @@ int
xfs_trans_reserve_quota_nblks(
struct xfs_trans *tp,
struct xfs_inode *ip,
- int64_t nblks,
- long ninos,
- uint flags)
+ int64_t dblocks,
+ int64_t rblocks,
+ bool force)
{
struct xfs_mount *mp = ip->i_mount;
+ unsigned int qflags = 0;
+ int error;
if (!XFS_IS_QUOTA_RUNNING(mp) || !XFS_IS_QUOTA_ON(mp))
return 0;
ASSERT(!xfs_is_quota_inode(&mp->m_sb, ip->i_ino));
-
ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
- ASSERT((flags & ~(XFS_QMOPT_FORCE_RES)) == XFS_TRANS_DQ_RES_RTBLKS ||
- (flags & ~(XFS_QMOPT_FORCE_RES)) == XFS_TRANS_DQ_RES_BLKS);
-
- /*
- * Reserve nblks against these dquots, with trans as the mediator.
- */
- return xfs_trans_reserve_quota_bydquots(tp, mp,
- ip->i_udquot, ip->i_gdquot,
- ip->i_pdquot,
- nblks, ninos, flags);
+
+ if (force)
+ qflags |= XFS_QMOPT_FORCE_RES;
+
+ /* Reserve data device quota against the inode's dquots. */
+ error = xfs_trans_reserve_quota_bydquots(tp, mp, ip->i_udquot,
+ ip->i_gdquot, ip->i_pdquot, dblocks, 0,
+ XFS_QMOPT_RES_REGBLKS | qflags);
+ if (error)
+ return error;
+
+ /* Do the same but for realtime blocks. */
+ error = xfs_trans_reserve_quota_bydquots(tp, mp, ip->i_udquot,
+ ip->i_gdquot, ip->i_pdquot, rblocks, 0,
+ XFS_QMOPT_RES_RTBLKS | qflags);
+ if (error) {
+ xfs_trans_reserve_quota_bydquots(tp, mp, ip->i_udquot,
+ ip->i_gdquot, ip->i_pdquot, -dblocks, 0,
+ XFS_QMOPT_RES_REGBLKS);
+ return error;
+ }
+
+ return 0;
}
/* Change the quota reservations for an inode creation activity. */
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH 08/13] xfs: refactor common transaction/inode/quota allocation idiom
2021-01-29 2:16 [PATCHSET v4 00/13] xfs: minor cleanups of the quota functions Darrick J. Wong
` (6 preceding siblings ...)
2021-01-29 2:17 ` [PATCH 07/13] xfs: reserve data and rt quota at the same time Darrick J. Wong
@ 2021-01-29 2:17 ` Darrick J. Wong
2021-01-29 2:17 ` [PATCH 09/13] xfs: allow reservation of rtblocks with xfs_trans_alloc_inode Darrick J. Wong
` (4 subsequent siblings)
12 siblings, 0 replies; 19+ messages in thread
From: Darrick J. Wong @ 2021-01-29 2:17 UTC (permalink / raw)
To: djwong; +Cc: Christoph Hellwig, Brian Foster, linux-xfs, hch, david, bfoster
From: Darrick J. Wong <djwong@kernel.org>
Create a new helper xfs_trans_alloc_inode that allocates a transaction,
locks and joins an inode to it, and then reserves the appropriate amount
of quota against that transction. Then replace all the open-coded
idioms with a single call to this helper.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
---
fs/xfs/libxfs/xfs_attr.c | 11 +----------
fs/xfs/libxfs/xfs_bmap.c | 10 ++--------
fs/xfs/xfs_bmap_util.c | 14 +++----------
fs/xfs/xfs_iomap.c | 11 ++---------
fs/xfs/xfs_trans.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++
fs/xfs/xfs_trans.h | 3 +++
6 files changed, 59 insertions(+), 38 deletions(-)
diff --git a/fs/xfs/libxfs/xfs_attr.c b/fs/xfs/libxfs/xfs_attr.c
index e05dc0bc4a8f..cb95bc77fe59 100644
--- a/fs/xfs/libxfs/xfs_attr.c
+++ b/fs/xfs/libxfs/xfs_attr.c
@@ -458,14 +458,10 @@ xfs_attr_set(
* Root fork attributes can use reserved data blocks for this
* operation if necessary
*/
- error = xfs_trans_alloc(mp, &tres, total, 0,
- rsvd ? XFS_TRANS_RESERVE : 0, &args->trans);
+ error = xfs_trans_alloc_inode(dp, &tres, total, rsvd, &args->trans);
if (error)
return error;
- xfs_ilock(dp, XFS_ILOCK_EXCL);
- xfs_trans_ijoin(args->trans, dp, 0);
-
if (args->value || xfs_inode_hasattr(dp)) {
error = xfs_iext_count_may_overflow(dp, XFS_ATTR_FORK,
XFS_IEXT_ATTR_MANIP_CNT(rmt_blks));
@@ -474,11 +470,6 @@ xfs_attr_set(
}
if (args->value) {
- error = xfs_trans_reserve_quota_nblks(args->trans, dp,
- args->total, 0, rsvd);
- if (error)
- goto out_trans_cancel;
-
error = xfs_has_attr(args);
if (error == -EEXIST && (args->attr_flags & XATTR_CREATE))
goto out_trans_cancel;
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 6e6734398f0d..be6661645b59 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -1079,19 +1079,13 @@ xfs_bmap_add_attrfork(
blks = XFS_ADDAFORK_SPACE_RES(mp);
- error = xfs_trans_alloc(mp, &M_RES(mp)->tr_addafork, blks, 0,
- rsvd ? XFS_TRANS_RESERVE : 0, &tp);
+ error = xfs_trans_alloc_inode(ip, &M_RES(mp)->tr_addafork, blks,
+ rsvd, &tp);
if (error)
return error;
-
- xfs_ilock(ip, XFS_ILOCK_EXCL);
- error = xfs_trans_reserve_quota_nblks(tp, ip, blks, 0, rsvd);
- if (error)
- goto trans_cancel;
if (XFS_IFORK_Q(ip))
goto trans_cancel;
- xfs_trans_ijoin(tp, ip, 0);
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
error = xfs_bmap_set_attrforkoff(ip, size, &version);
if (error)
diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c
index ef8f7055af77..c5687ae437dc 100644
--- a/fs/xfs/xfs_bmap_util.c
+++ b/fs/xfs/xfs_bmap_util.c
@@ -873,18 +873,10 @@ xfs_unmap_extent(
uint resblks = XFS_DIOSTRAT_SPACE_RES(mp, 0);
int error;
- error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, resblks, 0, 0, &tp);
- if (error) {
- ASSERT(error == -ENOSPC || XFS_FORCED_SHUTDOWN(mp));
- return error;
- }
-
- xfs_ilock(ip, XFS_ILOCK_EXCL);
- error = xfs_trans_reserve_quota_nblks(tp, ip, resblks, 0, false);
+ error = xfs_trans_alloc_inode(ip, &M_RES(mp)->tr_write, resblks,
+ false, &tp);
if (error)
- goto out_trans_cancel;
-
- xfs_trans_ijoin(tp, ip, 0);
+ return error;
error = xfs_iext_count_may_overflow(ip, XFS_DATA_FORK,
XFS_IEXT_PUNCH_HOLE_CNT);
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index ef29d44c656a..05de1be20426 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -552,18 +552,11 @@ xfs_iomap_write_unwritten(
* here as we might be asked to write out the same inode that we
* complete here and might deadlock on the iolock.
*/
- error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, resblks, 0,
- XFS_TRANS_RESERVE, &tp);
+ error = xfs_trans_alloc_inode(ip, &M_RES(mp)->tr_write, resblks,
+ true, &tp);
if (error)
return error;
- xfs_ilock(ip, XFS_ILOCK_EXCL);
- xfs_trans_ijoin(tp, ip, 0);
-
- error = xfs_trans_reserve_quota_nblks(tp, ip, resblks, 0, true);
- if (error)
- goto error_on_bmapi_transaction;
-
error = xfs_iext_count_may_overflow(ip, XFS_DATA_FORK,
XFS_IEXT_WRITE_UNWRITTEN_CNT);
if (error)
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index e72730f85af1..156b9ed8534f 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -20,6 +20,7 @@
#include "xfs_trace.h"
#include "xfs_error.h"
#include "xfs_defer.h"
+#include "xfs_inode.h"
kmem_zone_t *xfs_trans_zone;
@@ -1024,3 +1025,50 @@ xfs_trans_roll(
tres.tr_logflags = XFS_TRANS_PERM_LOG_RES;
return xfs_trans_reserve(*tpp, &tres, 0, 0);
}
+
+/*
+ * Allocate an transaction, lock and join the inode to it, and reserve quota.
+ *
+ * The caller must ensure that the on-disk dquots attached to this inode have
+ * already been allocated and initialized. The caller is responsible for
+ * releasing ILOCK_EXCL if a new transaction is returned.
+ */
+int
+xfs_trans_alloc_inode(
+ struct xfs_inode *ip,
+ struct xfs_trans_res *resv,
+ unsigned int dblocks,
+ bool force,
+ struct xfs_trans **tpp)
+{
+ struct xfs_trans *tp;
+ struct xfs_mount *mp = ip->i_mount;
+ int error;
+
+ error = xfs_trans_alloc(mp, resv, dblocks, 0,
+ force ? XFS_TRANS_RESERVE : 0, &tp);
+ if (error)
+ return error;
+
+ xfs_ilock(ip, XFS_ILOCK_EXCL);
+ xfs_trans_ijoin(tp, ip, 0);
+
+ error = xfs_qm_dqattach_locked(ip, false);
+ if (error) {
+ /* Caller should have allocated the dquots! */
+ ASSERT(error != -ENOENT);
+ goto out_cancel;
+ }
+
+ error = xfs_trans_reserve_quota_nblks(tp, ip, dblocks, 0, force);
+ if (error)
+ goto out_cancel;
+
+ *tpp = tp;
+ return 0;
+
+out_cancel:
+ xfs_trans_cancel(tp);
+ xfs_iunlock(ip, XFS_ILOCK_EXCL);
+ return error;
+}
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index 084658946cc8..aa50be244432 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -268,4 +268,7 @@ xfs_trans_item_relog(
return lip->li_ops->iop_relog(lip, tp);
}
+int xfs_trans_alloc_inode(struct xfs_inode *ip, struct xfs_trans_res *resv,
+ unsigned int dblocks, bool force, struct xfs_trans **tpp);
+
#endif /* __XFS_TRANS_H__ */
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH 09/13] xfs: allow reservation of rtblocks with xfs_trans_alloc_inode
2021-01-29 2:16 [PATCHSET v4 00/13] xfs: minor cleanups of the quota functions Darrick J. Wong
` (7 preceding siblings ...)
2021-01-29 2:17 ` [PATCH 08/13] xfs: refactor common transaction/inode/quota allocation idiom Darrick J. Wong
@ 2021-01-29 2:17 ` Darrick J. Wong
2021-01-29 2:17 ` [PATCH 10/13] xfs: refactor reflink functions to use xfs_trans_alloc_inode Darrick J. Wong
` (3 subsequent siblings)
12 siblings, 0 replies; 19+ messages in thread
From: Darrick J. Wong @ 2021-01-29 2:17 UTC (permalink / raw)
To: djwong; +Cc: Christoph Hellwig, Brian Foster, linux-xfs, hch, david, bfoster
From: Darrick J. Wong <djwong@kernel.org>
Make it so that we can reserve rt blocks with the xfs_trans_alloc_inode
wrapper function, then convert a few more callsites.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
---
fs/xfs/libxfs/xfs_attr.c | 2 +-
fs/xfs/libxfs/xfs_bmap.c | 2 +-
fs/xfs/xfs_bmap_util.c | 29 +++++------------------------
fs/xfs/xfs_iomap.c | 22 +++++-----------------
fs/xfs/xfs_trans.c | 6 ++++--
fs/xfs/xfs_trans.h | 3 ++-
6 files changed, 18 insertions(+), 46 deletions(-)
diff --git a/fs/xfs/libxfs/xfs_attr.c b/fs/xfs/libxfs/xfs_attr.c
index cb95bc77fe59..472b3039eabb 100644
--- a/fs/xfs/libxfs/xfs_attr.c
+++ b/fs/xfs/libxfs/xfs_attr.c
@@ -458,7 +458,7 @@ xfs_attr_set(
* Root fork attributes can use reserved data blocks for this
* operation if necessary
*/
- error = xfs_trans_alloc_inode(dp, &tres, total, rsvd, &args->trans);
+ error = xfs_trans_alloc_inode(dp, &tres, total, 0, rsvd, &args->trans);
if (error)
return error;
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index be6661645b59..e0905ad171f0 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -1079,7 +1079,7 @@ xfs_bmap_add_attrfork(
blks = XFS_ADDAFORK_SPACE_RES(mp);
- error = xfs_trans_alloc_inode(ip, &M_RES(mp)->tr_addafork, blks,
+ error = xfs_trans_alloc_inode(ip, &M_RES(mp)->tr_addafork, blks, 0,
rsvd, &tp);
if (error)
return error;
diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c
index c5687ae437dc..e7d68318e6a5 100644
--- a/fs/xfs/xfs_bmap_util.c
+++ b/fs/xfs/xfs_bmap_util.c
@@ -730,7 +730,6 @@ xfs_alloc_file_space(
int rt;
xfs_trans_t *tp;
xfs_bmbt_irec_t imaps[1], *imapp;
- uint resblks, resrtextents;
int error;
trace_xfs_alloc_file_space(ip);
@@ -760,7 +759,7 @@ xfs_alloc_file_space(
*/
while (allocatesize_fsb && !error) {
xfs_fileoff_t s, e;
- unsigned int dblocks, rblocks;
+ unsigned int dblocks, rblocks, resblks;
/*
* Determine space reservations for data/realtime.
@@ -790,8 +789,6 @@ xfs_alloc_file_space(
*/
resblks = min_t(xfs_fileoff_t, (e - s), (MAXEXTLEN * nimaps));
if (unlikely(rt)) {
- resrtextents = resblks;
- resrtextents /= mp->m_sb.sb_rextsize;
dblocks = XFS_DIOSTRAT_SPACE_RES(mp, 0);
rblocks = resblks;
} else {
@@ -802,32 +799,16 @@ xfs_alloc_file_space(
/*
* Allocate and setup the transaction.
*/
- error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, dblocks,
- resrtextents, 0, &tp);
-
- /*
- * Check for running out of space
- */
- if (error) {
- /*
- * Free the transaction structure.
- */
- ASSERT(error == -ENOSPC || XFS_FORCED_SHUTDOWN(mp));
- break;
- }
- xfs_ilock(ip, XFS_ILOCK_EXCL);
- error = xfs_trans_reserve_quota_nblks(tp, ip, dblocks, rblocks,
- false);
+ error = xfs_trans_alloc_inode(ip, &M_RES(mp)->tr_write,
+ dblocks, rblocks, false, &tp);
if (error)
- goto error;
+ break;
error = xfs_iext_count_may_overflow(ip, XFS_DATA_FORK,
XFS_IEXT_ADD_NOSPLIT_CNT);
if (error)
goto error;
- xfs_trans_ijoin(tp, ip, 0);
-
error = xfs_bmapi_write(tp, ip, startoffset_fsb,
allocatesize_fsb, alloc_type, 0, imapp,
&nimaps);
@@ -873,7 +854,7 @@ xfs_unmap_extent(
uint resblks = XFS_DIOSTRAT_SPACE_RES(mp, 0);
int error;
- error = xfs_trans_alloc_inode(ip, &M_RES(mp)->tr_write, resblks,
+ error = xfs_trans_alloc_inode(ip, &M_RES(mp)->tr_write, resblks, 0,
false, &tp);
if (error)
return error;
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index 05de1be20426..f34a76529602 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -195,19 +195,15 @@ xfs_iomap_write_direct(
xfs_filblks_t resaligned;
int nimaps;
unsigned int dblocks, rblocks;
- unsigned int resrtextents = 0;
+ bool force = false;
int error;
int bmapi_flags = XFS_BMAPI_PREALLOC;
- int tflags = 0;
- bool force = false;
ASSERT(count_fsb > 0);
resaligned = xfs_aligned_fsb_count(offset_fsb, count_fsb,
xfs_get_extsz_hint(ip));
if (unlikely(XFS_IS_REALTIME_INODE(ip))) {
- resrtextents = resaligned;
- resrtextents /= mp->m_sb.sb_rextsize;
dblocks = XFS_DIOSTRAT_SPACE_RES(mp, 0);
rblocks = resaligned;
} else {
@@ -236,28 +232,20 @@ xfs_iomap_write_direct(
bmapi_flags = XFS_BMAPI_CONVERT | XFS_BMAPI_ZERO;
if (imap->br_state == XFS_EXT_UNWRITTEN) {
force = true;
- tflags |= XFS_TRANS_RESERVE;
dblocks = XFS_DIOSTRAT_SPACE_RES(mp, 0) << 1;
}
}
- error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, dblocks, resrtextents,
- tflags, &tp);
+
+ error = xfs_trans_alloc_inode(ip, &M_RES(mp)->tr_write, dblocks,
+ rblocks, force, &tp);
if (error)
return error;
- xfs_ilock(ip, XFS_ILOCK_EXCL);
-
- error = xfs_trans_reserve_quota_nblks(tp, ip, dblocks, rblocks, force);
- if (error)
- goto out_trans_cancel;
-
error = xfs_iext_count_may_overflow(ip, XFS_DATA_FORK,
XFS_IEXT_ADD_NOSPLIT_CNT);
if (error)
goto out_trans_cancel;
- xfs_trans_ijoin(tp, ip, 0);
-
/*
* From this point onwards we overwrite the imap pointer that the
* caller gave to us.
@@ -553,7 +541,7 @@ xfs_iomap_write_unwritten(
* complete here and might deadlock on the iolock.
*/
error = xfs_trans_alloc_inode(ip, &M_RES(mp)->tr_write, resblks,
- true, &tp);
+ 0, true, &tp);
if (error)
return error;
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index 156b9ed8534f..151f274eee43 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -1038,6 +1038,7 @@ xfs_trans_alloc_inode(
struct xfs_inode *ip,
struct xfs_trans_res *resv,
unsigned int dblocks,
+ unsigned int rblocks,
bool force,
struct xfs_trans **tpp)
{
@@ -1045,7 +1046,8 @@ xfs_trans_alloc_inode(
struct xfs_mount *mp = ip->i_mount;
int error;
- error = xfs_trans_alloc(mp, resv, dblocks, 0,
+ error = xfs_trans_alloc(mp, resv, dblocks,
+ rblocks / mp->m_sb.sb_rextsize,
force ? XFS_TRANS_RESERVE : 0, &tp);
if (error)
return error;
@@ -1060,7 +1062,7 @@ xfs_trans_alloc_inode(
goto out_cancel;
}
- error = xfs_trans_reserve_quota_nblks(tp, ip, dblocks, 0, force);
+ error = xfs_trans_reserve_quota_nblks(tp, ip, dblocks, rblocks, force);
if (error)
goto out_cancel;
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index aa50be244432..52bbd7e6a552 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -269,6 +269,7 @@ xfs_trans_item_relog(
}
int xfs_trans_alloc_inode(struct xfs_inode *ip, struct xfs_trans_res *resv,
- unsigned int dblocks, bool force, struct xfs_trans **tpp);
+ unsigned int dblocks, unsigned int rblocks, bool force,
+ struct xfs_trans **tpp);
#endif /* __XFS_TRANS_H__ */
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH 10/13] xfs: refactor reflink functions to use xfs_trans_alloc_inode
2021-01-29 2:16 [PATCHSET v4 00/13] xfs: minor cleanups of the quota functions Darrick J. Wong
` (8 preceding siblings ...)
2021-01-29 2:17 ` [PATCH 09/13] xfs: allow reservation of rtblocks with xfs_trans_alloc_inode Darrick J. Wong
@ 2021-01-29 2:17 ` Darrick J. Wong
2021-01-29 6:00 ` Christoph Hellwig
2021-01-29 2:17 ` [PATCH 11/13] xfs: refactor inode creation transaction/inode/quota allocation idiom Darrick J. Wong
` (2 subsequent siblings)
12 siblings, 1 reply; 19+ messages in thread
From: Darrick J. Wong @ 2021-01-29 2:17 UTC (permalink / raw)
To: djwong; +Cc: Brian Foster, linux-xfs, hch, david, bfoster
From: Darrick J. Wong <djwong@kernel.org>
The two remaining callers of xfs_trans_reserve_quota_nblks are in the
reflink code. These conversions aren't as uniform as the previous
conversions, so call that out in a separate patch.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Brian Foster <bfoster@redhat.com>
---
fs/xfs/xfs_iomap.c | 3 ++-
fs/xfs/xfs_reflink.c | 59 ++++++++++++++++++++------------------------------
2 files changed, 26 insertions(+), 36 deletions(-)
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index f34a76529602..174e297ae62c 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -844,7 +844,8 @@ xfs_direct_write_iomap_begin(
return xfs_bmbt_to_iomap(ip, iomap, &cmap, IOMAP_F_SHARED);
out_unlock:
- xfs_iunlock(ip, lockmode);
+ if (lockmode)
+ xfs_iunlock(ip, lockmode);
return error;
}
diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c
index 0778b5810c26..27f875fa7a0d 100644
--- a/fs/xfs/xfs_reflink.c
+++ b/fs/xfs/xfs_reflink.c
@@ -376,16 +376,14 @@ xfs_reflink_allocate_cow(
resblks = XFS_DIOSTRAT_SPACE_RES(mp, resaligned);
xfs_iunlock(ip, *lockmode);
- error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, resblks, 0, 0, &tp);
+ *lockmode = 0;
+
+ error = xfs_trans_alloc_inode(ip, &M_RES(mp)->tr_write, resblks, 0,
+ false, &tp);
+ if (error)
+ return error;
+
*lockmode = XFS_ILOCK_EXCL;
- xfs_ilock(ip, *lockmode);
-
- if (error)
- return error;
-
- error = xfs_qm_dqattach_locked(ip, false);
- if (error)
- goto out_trans_cancel;
/*
* Check for an overlapping extent again now that we dropped the ilock.
@@ -398,12 +396,6 @@ xfs_reflink_allocate_cow(
goto convert;
}
- error = xfs_trans_reserve_quota_nblks(tp, ip, resblks, 0, false);
- if (error)
- goto out_trans_cancel;
-
- xfs_trans_ijoin(tp, ip, 0);
-
/* Allocate the entire reservation as unwritten blocks. */
nimaps = 1;
error = xfs_bmapi_write(tp, ip, imap->br_startoff, imap->br_blockcount,
@@ -997,7 +989,7 @@ xfs_reflink_remap_extent(
struct xfs_mount *mp = ip->i_mount;
struct xfs_trans *tp;
xfs_off_t newlen;
- int64_t qres, qdelta;
+ int64_t qdelta = 0;
unsigned int resblks;
bool smap_real;
bool dmap_written = xfs_bmap_is_written_extent(dmap);
@@ -1005,15 +997,22 @@ xfs_reflink_remap_extent(
int nimaps;
int error;
- /* Start a rolling transaction to switch the mappings */
+ /*
+ * Start a rolling transaction to switch the mappings.
+ *
+ * Adding a written extent to the extent map can cause a bmbt split,
+ * and removing a mapped extent from the extent can cause a bmbt split.
+ * The two operations cannot both cause a split since they operate on
+ * the same index in the bmap btree, so we only need a reservation for
+ * one bmbt split if either thing is happening. However, we haven't
+ * locked the inode yet, so we reserve assuming this is the case.
+ */
resblks = XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK);
- error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, resblks, 0, 0, &tp);
+ error = xfs_trans_alloc_inode(ip, &M_RES(mp)->tr_write, resblks, 0,
+ false, &tp);
if (error)
goto out;
- xfs_ilock(ip, XFS_ILOCK_EXCL);
- xfs_trans_ijoin(tp, ip, 0);
-
/*
* Read what's currently mapped in the destination file into smap.
* If smap isn't a hole, we will have to remove it before we can add
@@ -1061,15 +1060,9 @@ xfs_reflink_remap_extent(
}
/*
- * Compute quota reservation if we think the quota block counter for
+ * Increase quota reservation if we think the quota block counter for
* this file could increase.
*
- * Adding a written extent to the extent map can cause a bmbt split,
- * and removing a mapped extent from the extent can cause a bmbt split.
- * The two operations cannot both cause a split since they operate on
- * the same index in the bmap btree, so we only need a reservation for
- * one bmbt split if either thing is happening.
- *
* If we are mapping a written extent into the file, we need to have
* enough quota block count reservation to handle the blocks in that
* extent. We log only the delta to the quota block counts, so if the
@@ -1083,13 +1076,9 @@ xfs_reflink_remap_extent(
* before we started. That should have removed all the delalloc
* reservations, but we code defensively.
*/
- qres = qdelta = 0;
- if (smap_real || dmap_written)
- qres = XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK);
- if (!smap_real && dmap_written)
- qres += dmap->br_blockcount;
- if (qres > 0) {
- error = xfs_trans_reserve_quota_nblks(tp, ip, qres, 0, false);
+ if (!smap_real && dmap_written) {
+ error = xfs_trans_reserve_quota_nblks(tp, ip,
+ dmap->br_blockcount, 0, false);
if (error)
goto out_cancel;
}
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH 11/13] xfs: refactor inode creation transaction/inode/quota allocation idiom
2021-01-29 2:16 [PATCHSET v4 00/13] xfs: minor cleanups of the quota functions Darrick J. Wong
` (9 preceding siblings ...)
2021-01-29 2:17 ` [PATCH 10/13] xfs: refactor reflink functions to use xfs_trans_alloc_inode Darrick J. Wong
@ 2021-01-29 2:17 ` Darrick J. Wong
2021-01-29 6:01 ` Christoph Hellwig
2021-01-29 2:17 ` [PATCH 12/13] xfs: move xfs_qm_vop_chown_reserve to xfs_trans_dquot.c Darrick J. Wong
2021-01-29 2:17 ` [PATCH 13/13] xfs: clean up xfs_trans_reserve_quota_chown a bit Darrick J. Wong
12 siblings, 1 reply; 19+ messages in thread
From: Darrick J. Wong @ 2021-01-29 2:17 UTC (permalink / raw)
To: djwong; +Cc: Brian Foster, linux-xfs, hch, david, bfoster
From: Darrick J. Wong <djwong@kernel.org>
For file creation, create a new helper xfs_trans_alloc_icreate that
allocates a transaction and reserves the appropriate amount of quota
against that transction. Replace all the open-coded idioms with a
single call to this helper so that we can contain the retry loops in the
next patchset.
This changes the locking behavior for non-tempfile creation slightly, in
that we now make the quota reservation without holding the directory
ILOCK. While the dquots chosen for inode creation are based on the
directory state at a given point in time, the directory ILOCK was
released as soon as the dquot references are picked up. Hence it was
never necessary to hold the directory ILOCK for the quota reservation.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Brian Foster <bfoster@redhat.com>
---
fs/xfs/xfs_inode.c | 28 ++++++++++------------------
fs/xfs/xfs_symlink.c | 14 ++++----------
fs/xfs/xfs_trans.c | 33 +++++++++++++++++++++++++++++++++
fs/xfs/xfs_trans.h | 6 ++++++
4 files changed, 53 insertions(+), 28 deletions(-)
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 4bbd2fb628f7..636ac13b1df2 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -1022,25 +1022,20 @@ xfs_create(
* the case we'll drop the one we have and get a more
* appropriate transaction later.
*/
- error = xfs_trans_alloc(mp, tres, resblks, 0, 0, &tp);
+ error = xfs_trans_alloc_icreate(mp, tres, udqp, gdqp, pdqp, resblks,
+ &tp);
if (error == -ENOSPC) {
/* flush outstanding delalloc blocks and retry */
xfs_flush_inodes(mp);
- error = xfs_trans_alloc(mp, tres, resblks, 0, 0, &tp);
+ error = xfs_trans_alloc_icreate(mp, tres, udqp, gdqp, pdqp,
+ resblks, &tp);
}
if (error)
- goto out_release_inode;
+ goto out_release_dquots;
xfs_ilock(dp, XFS_ILOCK_EXCL | XFS_ILOCK_PARENT);
unlock_dp_on_error = true;
- /*
- * Reserve disk quota and the inode.
- */
- error = xfs_trans_reserve_quota_icreate(tp, udqp, gdqp, pdqp, resblks);
- if (error)
- goto out_trans_cancel;
-
error = xfs_iext_count_may_overflow(dp, XFS_DATA_FORK,
XFS_IEXT_DIR_MANIP_CNT(mp));
if (error)
@@ -1120,7 +1115,7 @@ xfs_create(
xfs_finish_inode_setup(ip);
xfs_irele(ip);
}
-
+ out_release_dquots:
xfs_qm_dqrele(udqp);
xfs_qm_dqrele(gdqp);
xfs_qm_dqrele(pdqp);
@@ -1164,13 +1159,10 @@ xfs_create_tmpfile(
resblks = XFS_IALLOC_SPACE_RES(mp);
tres = &M_RES(mp)->tr_create_tmpfile;
- error = xfs_trans_alloc(mp, tres, resblks, 0, 0, &tp);
+ error = xfs_trans_alloc_icreate(mp, tres, udqp, gdqp, pdqp, resblks,
+ &tp);
if (error)
- goto out_release_inode;
-
- error = xfs_trans_reserve_quota_icreate(tp, udqp, gdqp, pdqp, resblks);
- if (error)
- goto out_trans_cancel;
+ goto out_release_dquots;
error = xfs_dir_ialloc(&tp, dp, mode, 0, 0, prid, &ip);
if (error)
@@ -1213,7 +1205,7 @@ xfs_create_tmpfile(
xfs_finish_inode_setup(ip);
xfs_irele(ip);
}
-
+ out_release_dquots:
xfs_qm_dqrele(udqp);
xfs_qm_dqrele(gdqp);
xfs_qm_dqrele(pdqp);
diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c
index d5dee8f409b2..8565663b16cd 100644
--- a/fs/xfs/xfs_symlink.c
+++ b/fs/xfs/xfs_symlink.c
@@ -197,9 +197,10 @@ xfs_symlink(
fs_blocks = xfs_symlink_blocks(mp, pathlen);
resblks = XFS_SYMLINK_SPACE_RES(mp, link_name->len, fs_blocks);
- error = xfs_trans_alloc(mp, &M_RES(mp)->tr_symlink, resblks, 0, 0, &tp);
+ error = xfs_trans_alloc_icreate(mp, &M_RES(mp)->tr_symlink, udqp, gdqp,
+ pdqp, resblks, &tp);
if (error)
- goto out_release_inode;
+ goto out_release_dquots;
xfs_ilock(dp, XFS_ILOCK_EXCL | XFS_ILOCK_PARENT);
unlock_dp_on_error = true;
@@ -212,13 +213,6 @@ xfs_symlink(
goto out_trans_cancel;
}
- /*
- * Reserve disk quota : blocks and inode.
- */
- error = xfs_trans_reserve_quota_icreate(tp, udqp, gdqp, pdqp, resblks);
- if (error)
- goto out_trans_cancel;
-
error = xfs_iext_count_may_overflow(dp, XFS_DATA_FORK,
XFS_IEXT_DIR_MANIP_CNT(mp));
if (error)
@@ -347,7 +341,7 @@ xfs_symlink(
xfs_finish_inode_setup(ip);
xfs_irele(ip);
}
-
+out_release_dquots:
xfs_qm_dqrele(udqp);
xfs_qm_dqrele(gdqp);
xfs_qm_dqrele(pdqp);
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index 151f274eee43..6c68635cc6ac 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -21,6 +21,8 @@
#include "xfs_error.h"
#include "xfs_defer.h"
#include "xfs_inode.h"
+#include "xfs_dquot_item.h"
+#include "xfs_dquot.h"
kmem_zone_t *xfs_trans_zone;
@@ -1074,3 +1076,34 @@ xfs_trans_alloc_inode(
xfs_iunlock(ip, XFS_ILOCK_EXCL);
return error;
}
+
+/*
+ * Allocate an transaction in preparation for inode creation by reserving quota
+ * against the given dquots. Callers are not required to hold any inode locks.
+ */
+int
+xfs_trans_alloc_icreate(
+ struct xfs_mount *mp,
+ struct xfs_trans_res *resv,
+ struct xfs_dquot *udqp,
+ struct xfs_dquot *gdqp,
+ struct xfs_dquot *pdqp,
+ unsigned int dblocks,
+ struct xfs_trans **tpp)
+{
+ struct xfs_trans *tp;
+ int error;
+
+ error = xfs_trans_alloc(mp, resv, dblocks, 0, 0, &tp);
+ if (error)
+ return error;
+
+ error = xfs_trans_reserve_quota_icreate(tp, udqp, gdqp, pdqp, dblocks);
+ if (error) {
+ xfs_trans_cancel(tp);
+ return error;
+ }
+
+ *tpp = tp;
+ return 0;
+}
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index 52bbd7e6a552..04c132c55e9b 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -268,8 +268,14 @@ xfs_trans_item_relog(
return lip->li_ops->iop_relog(lip, tp);
}
+struct xfs_dquot;
+
int xfs_trans_alloc_inode(struct xfs_inode *ip, struct xfs_trans_res *resv,
unsigned int dblocks, unsigned int rblocks, bool force,
struct xfs_trans **tpp);
+int xfs_trans_alloc_icreate(struct xfs_mount *mp, struct xfs_trans_res *resv,
+ struct xfs_dquot *udqp, struct xfs_dquot *gdqp,
+ struct xfs_dquot *pdqp, unsigned int dblocks,
+ struct xfs_trans **tpp);
#endif /* __XFS_TRANS_H__ */
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH 12/13] xfs: move xfs_qm_vop_chown_reserve to xfs_trans_dquot.c
2021-01-29 2:16 [PATCHSET v4 00/13] xfs: minor cleanups of the quota functions Darrick J. Wong
` (10 preceding siblings ...)
2021-01-29 2:17 ` [PATCH 11/13] xfs: refactor inode creation transaction/inode/quota allocation idiom Darrick J. Wong
@ 2021-01-29 2:17 ` Darrick J. Wong
2021-01-29 2:17 ` [PATCH 13/13] xfs: clean up xfs_trans_reserve_quota_chown a bit Darrick J. Wong
12 siblings, 0 replies; 19+ messages in thread
From: Darrick J. Wong @ 2021-01-29 2:17 UTC (permalink / raw)
To: djwong; +Cc: Brian Foster, Christoph Hellwig, linux-xfs, hch, david, bfoster
From: Darrick J. Wong <djwong@kernel.org>
Move xfs_qm_vop_chown_reserve to xfs_trans_dquot.c and rename it
xfs_trans_reserve_quota_chown. This will enable us to share code with
the other quota reservation helpers, which will be very useful in the
next patchset when we implement retry loops. No functional changes
here, we're just moving code.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
fs/xfs/xfs_ioctl.c | 2 -
fs/xfs/xfs_iops.c | 6 +--
fs/xfs/xfs_qm.c | 93 ----------------------------------------------
fs/xfs/xfs_quota.h | 14 +++++--
fs/xfs/xfs_trans_dquot.c | 93 ++++++++++++++++++++++++++++++++++++++++++++++
5 files changed, 107 insertions(+), 101 deletions(-)
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index 3fbd98f61ea5..e299fbd9ef13 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -1470,7 +1470,7 @@ xfs_ioctl_setattr(
if (XFS_IS_QUOTA_RUNNING(mp) && XFS_IS_PQUOTA_ON(mp) &&
ip->i_d.di_projid != fa->fsx_projid) {
- code = xfs_qm_vop_chown_reserve(tp, ip, NULL, NULL, pdqp,
+ code = xfs_trans_reserve_quota_chown(tp, ip, NULL, NULL, pdqp,
capable(CAP_FOWNER) ? XFS_QMOPT_FORCE_RES : 0);
if (code) /* out of quota */
goto error_trans_cancel;
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index f1e21b6cfa48..cb68be87e0a4 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -730,9 +730,9 @@ xfs_setattr_nonsize(
((XFS_IS_UQUOTA_ON(mp) && !uid_eq(iuid, uid)) ||
(XFS_IS_GQUOTA_ON(mp) && !gid_eq(igid, gid)))) {
ASSERT(tp);
- error = xfs_qm_vop_chown_reserve(tp, ip, udqp, gdqp,
- NULL, capable(CAP_FOWNER) ?
- XFS_QMOPT_FORCE_RES : 0);
+ error = xfs_trans_reserve_quota_chown(tp, ip, udqp,
+ gdqp, NULL, capable(CAP_FOWNER) ?
+ XFS_QMOPT_FORCE_RES : 0);
if (error) /* out of quota */
goto out_cancel;
}
diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
index c134eb4aeaa8..6c2a9fa78e7c 100644
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -1794,99 +1794,6 @@ xfs_qm_vop_chown(
return prevdq;
}
-/*
- * Quota reservations for setattr(AT_UID|AT_GID|AT_PROJID).
- */
-int
-xfs_qm_vop_chown_reserve(
- struct xfs_trans *tp,
- struct xfs_inode *ip,
- struct xfs_dquot *udqp,
- struct xfs_dquot *gdqp,
- struct xfs_dquot *pdqp,
- uint flags)
-{
- struct xfs_mount *mp = ip->i_mount;
- uint64_t delblks;
- unsigned int blkflags;
- struct xfs_dquot *udq_unres = NULL;
- struct xfs_dquot *gdq_unres = NULL;
- struct xfs_dquot *pdq_unres = NULL;
- struct xfs_dquot *udq_delblks = NULL;
- struct xfs_dquot *gdq_delblks = NULL;
- struct xfs_dquot *pdq_delblks = NULL;
- int error;
-
-
- ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL|XFS_ILOCK_SHARED));
- ASSERT(XFS_IS_QUOTA_RUNNING(mp));
-
- delblks = ip->i_delayed_blks;
- blkflags = XFS_IS_REALTIME_INODE(ip) ?
- XFS_QMOPT_RES_RTBLKS : XFS_QMOPT_RES_REGBLKS;
-
- if (XFS_IS_UQUOTA_ON(mp) && udqp &&
- i_uid_read(VFS_I(ip)) != udqp->q_id) {
- udq_delblks = udqp;
- /*
- * If there are delayed allocation blocks, then we have to
- * unreserve those from the old dquot, and add them to the
- * new dquot.
- */
- if (delblks) {
- ASSERT(ip->i_udquot);
- udq_unres = ip->i_udquot;
- }
- }
- if (XFS_IS_GQUOTA_ON(ip->i_mount) && gdqp &&
- i_gid_read(VFS_I(ip)) != gdqp->q_id) {
- gdq_delblks = gdqp;
- if (delblks) {
- ASSERT(ip->i_gdquot);
- gdq_unres = ip->i_gdquot;
- }
- }
-
- if (XFS_IS_PQUOTA_ON(ip->i_mount) && pdqp &&
- ip->i_d.di_projid != pdqp->q_id) {
- pdq_delblks = pdqp;
- if (delblks) {
- ASSERT(ip->i_pdquot);
- pdq_unres = ip->i_pdquot;
- }
- }
-
- error = xfs_trans_reserve_quota_bydquots(tp, ip->i_mount,
- udq_delblks, gdq_delblks, pdq_delblks,
- ip->i_d.di_nblocks, 1, flags | blkflags);
- if (error)
- return error;
-
- /*
- * Do the delayed blks reservations/unreservations now. Since, these
- * are done without the help of a transaction, if a reservation fails
- * its previous reservations won't be automatically undone by trans
- * code. So, we have to do it manually here.
- */
- if (delblks) {
- /*
- * Do the reservations first. Unreservation can't fail.
- */
- ASSERT(udq_delblks || gdq_delblks || pdq_delblks);
- ASSERT(udq_unres || gdq_unres || pdq_unres);
- error = xfs_trans_reserve_quota_bydquots(NULL, ip->i_mount,
- udq_delblks, gdq_delblks, pdq_delblks,
- (xfs_qcnt_t)delblks, 0, flags | blkflags);
- if (error)
- return error;
- xfs_trans_reserve_quota_bydquots(NULL, ip->i_mount,
- udq_unres, gdq_unres, pdq_unres,
- -((xfs_qcnt_t)delblks), 0, blkflags);
- }
-
- return 0;
-}
-
int
xfs_qm_vop_rename_dqattach(
struct xfs_inode **i_tab)
diff --git a/fs/xfs/xfs_quota.h b/fs/xfs/xfs_quota.h
index 6ddc4b358ede..ef423c5cb4e2 100644
--- a/fs/xfs/xfs_quota.h
+++ b/fs/xfs/xfs_quota.h
@@ -98,9 +98,9 @@ extern void xfs_qm_vop_create_dqattach(struct xfs_trans *, struct xfs_inode *,
extern int xfs_qm_vop_rename_dqattach(struct xfs_inode **);
extern struct xfs_dquot *xfs_qm_vop_chown(struct xfs_trans *,
struct xfs_inode *, struct xfs_dquot **, struct xfs_dquot *);
-extern int xfs_qm_vop_chown_reserve(struct xfs_trans *, struct xfs_inode *,
- struct xfs_dquot *, struct xfs_dquot *,
- struct xfs_dquot *, uint);
+int xfs_trans_reserve_quota_chown(struct xfs_trans *tp, struct xfs_inode *ip,
+ struct xfs_dquot *udqp, struct xfs_dquot *gdqp,
+ struct xfs_dquot *pdqp, unsigned int flags);
extern int xfs_qm_dqattach(struct xfs_inode *);
extern int xfs_qm_dqattach_locked(struct xfs_inode *ip, bool doalloc);
extern void xfs_qm_dqdetach(struct xfs_inode *);
@@ -162,7 +162,13 @@ xfs_trans_reserve_quota_icreate(struct xfs_trans *tp, struct xfs_dquot *udqp,
#define xfs_qm_vop_create_dqattach(tp, ip, u, g, p)
#define xfs_qm_vop_rename_dqattach(it) (0)
#define xfs_qm_vop_chown(tp, ip, old, new) (NULL)
-#define xfs_qm_vop_chown_reserve(tp, ip, u, g, p, fl) (0)
+static inline int
+xfs_trans_reserve_quota_chown(struct xfs_trans *tp, struct xfs_inode *ip,
+ struct xfs_dquot *udqp, struct xfs_dquot *gdqp,
+ struct xfs_dquot *pdqp, unsigned int flags)
+{
+ return 0;
+}
#define xfs_qm_dqattach(ip) (0)
#define xfs_qm_dqattach_locked(ip, fl) (0)
#define xfs_qm_dqdetach(ip)
diff --git a/fs/xfs/xfs_trans_dquot.c b/fs/xfs/xfs_trans_dquot.c
index a1a72b7900c5..88146280a177 100644
--- a/fs/xfs/xfs_trans_dquot.c
+++ b/fs/xfs/xfs_trans_dquot.c
@@ -836,6 +836,99 @@ xfs_trans_reserve_quota_icreate(
dblocks, 1, XFS_QMOPT_RES_REGBLKS);
}
+/*
+ * Quota reservations for setattr(AT_UID|AT_GID|AT_PROJID).
+ */
+int
+xfs_trans_reserve_quota_chown(
+ struct xfs_trans *tp,
+ struct xfs_inode *ip,
+ struct xfs_dquot *udqp,
+ struct xfs_dquot *gdqp,
+ struct xfs_dquot *pdqp,
+ unsigned int flags)
+{
+ struct xfs_mount *mp = ip->i_mount;
+ uint64_t delblks;
+ unsigned int blkflags;
+ struct xfs_dquot *udq_unres = NULL;
+ struct xfs_dquot *gdq_unres = NULL;
+ struct xfs_dquot *pdq_unres = NULL;
+ struct xfs_dquot *udq_delblks = NULL;
+ struct xfs_dquot *gdq_delblks = NULL;
+ struct xfs_dquot *pdq_delblks = NULL;
+ int error;
+
+
+ ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL|XFS_ILOCK_SHARED));
+ ASSERT(XFS_IS_QUOTA_RUNNING(mp));
+
+ delblks = ip->i_delayed_blks;
+ blkflags = XFS_IS_REALTIME_INODE(ip) ?
+ XFS_QMOPT_RES_RTBLKS : XFS_QMOPT_RES_REGBLKS;
+
+ if (XFS_IS_UQUOTA_ON(mp) && udqp &&
+ i_uid_read(VFS_I(ip)) != udqp->q_id) {
+ udq_delblks = udqp;
+ /*
+ * If there are delayed allocation blocks, then we have to
+ * unreserve those from the old dquot, and add them to the
+ * new dquot.
+ */
+ if (delblks) {
+ ASSERT(ip->i_udquot);
+ udq_unres = ip->i_udquot;
+ }
+ }
+ if (XFS_IS_GQUOTA_ON(ip->i_mount) && gdqp &&
+ i_gid_read(VFS_I(ip)) != gdqp->q_id) {
+ gdq_delblks = gdqp;
+ if (delblks) {
+ ASSERT(ip->i_gdquot);
+ gdq_unres = ip->i_gdquot;
+ }
+ }
+
+ if (XFS_IS_PQUOTA_ON(ip->i_mount) && pdqp &&
+ ip->i_d.di_projid != pdqp->q_id) {
+ pdq_delblks = pdqp;
+ if (delblks) {
+ ASSERT(ip->i_pdquot);
+ pdq_unres = ip->i_pdquot;
+ }
+ }
+
+ error = xfs_trans_reserve_quota_bydquots(tp, ip->i_mount,
+ udq_delblks, gdq_delblks, pdq_delblks,
+ ip->i_d.di_nblocks, 1, flags | blkflags);
+ if (error)
+ return error;
+
+ /*
+ * Do the delayed blks reservations/unreservations now. Since, these
+ * are done without the help of a transaction, if a reservation fails
+ * its previous reservations won't be automatically undone by trans
+ * code. So, we have to do it manually here.
+ */
+ if (delblks) {
+ /*
+ * Do the reservations first. Unreservation can't fail.
+ */
+ ASSERT(udq_delblks || gdq_delblks || pdq_delblks);
+ ASSERT(udq_unres || gdq_unres || pdq_unres);
+ error = xfs_trans_reserve_quota_bydquots(NULL, ip->i_mount,
+ udq_delblks, gdq_delblks, pdq_delblks,
+ (xfs_qcnt_t)delblks, 0, flags | blkflags);
+ if (error)
+ return error;
+ xfs_trans_reserve_quota_bydquots(NULL, ip->i_mount,
+ udq_unres, gdq_unres, pdq_unres,
+ -((xfs_qcnt_t)delblks), 0, blkflags);
+ }
+
+ return 0;
+}
+
/*
* This routine is called to allocate a quotaoff log item.
*/
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH 13/13] xfs: clean up xfs_trans_reserve_quota_chown a bit
2021-01-29 2:16 [PATCHSET v4 00/13] xfs: minor cleanups of the quota functions Darrick J. Wong
` (11 preceding siblings ...)
2021-01-29 2:17 ` [PATCH 12/13] xfs: move xfs_qm_vop_chown_reserve to xfs_trans_dquot.c Darrick J. Wong
@ 2021-01-29 2:17 ` Darrick J. Wong
12 siblings, 0 replies; 19+ messages in thread
From: Darrick J. Wong @ 2021-01-29 2:17 UTC (permalink / raw)
To: djwong; +Cc: Christoph Hellwig, Brian Foster, linux-xfs, hch, david, bfoster
From: Darrick J. Wong <djwong@kernel.org>
Clean up the calling conventions of xfs_trans_reserve_quota_chown a
little bit -- we can pass in a boolean force parameter since that's the
only qmopt that caller care about, and make the obvious deficiencies
more obvious for anyone who someday wants to clean up rt quota.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
---
fs/xfs/xfs_ioctl.c | 2 +-
fs/xfs/xfs_iops.c | 3 +--
fs/xfs/xfs_quota.h | 4 ++--
fs/xfs/xfs_trans_dquot.c | 38 +++++++++++++++++++++-----------------
4 files changed, 25 insertions(+), 22 deletions(-)
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index e299fbd9ef13..73cfee8007a8 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -1471,7 +1471,7 @@ xfs_ioctl_setattr(
if (XFS_IS_QUOTA_RUNNING(mp) && XFS_IS_PQUOTA_ON(mp) &&
ip->i_d.di_projid != fa->fsx_projid) {
code = xfs_trans_reserve_quota_chown(tp, ip, NULL, NULL, pdqp,
- capable(CAP_FOWNER) ? XFS_QMOPT_FORCE_RES : 0);
+ capable(CAP_FOWNER));
if (code) /* out of quota */
goto error_trans_cancel;
}
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index cb68be87e0a4..51c877ce90bc 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -731,8 +731,7 @@ xfs_setattr_nonsize(
(XFS_IS_GQUOTA_ON(mp) && !gid_eq(igid, gid)))) {
ASSERT(tp);
error = xfs_trans_reserve_quota_chown(tp, ip, udqp,
- gdqp, NULL, capable(CAP_FOWNER) ?
- XFS_QMOPT_FORCE_RES : 0);
+ gdqp, NULL, capable(CAP_FOWNER));
if (error) /* out of quota */
goto out_cancel;
}
diff --git a/fs/xfs/xfs_quota.h b/fs/xfs/xfs_quota.h
index ef423c5cb4e2..f95a92d7ceaf 100644
--- a/fs/xfs/xfs_quota.h
+++ b/fs/xfs/xfs_quota.h
@@ -100,7 +100,7 @@ extern struct xfs_dquot *xfs_qm_vop_chown(struct xfs_trans *,
struct xfs_inode *, struct xfs_dquot **, struct xfs_dquot *);
int xfs_trans_reserve_quota_chown(struct xfs_trans *tp, struct xfs_inode *ip,
struct xfs_dquot *udqp, struct xfs_dquot *gdqp,
- struct xfs_dquot *pdqp, unsigned int flags);
+ struct xfs_dquot *pdqp, bool force);
extern int xfs_qm_dqattach(struct xfs_inode *);
extern int xfs_qm_dqattach_locked(struct xfs_inode *ip, bool doalloc);
extern void xfs_qm_dqdetach(struct xfs_inode *);
@@ -165,7 +165,7 @@ xfs_trans_reserve_quota_icreate(struct xfs_trans *tp, struct xfs_dquot *udqp,
static inline int
xfs_trans_reserve_quota_chown(struct xfs_trans *tp, struct xfs_inode *ip,
struct xfs_dquot *udqp, struct xfs_dquot *gdqp,
- struct xfs_dquot *pdqp, unsigned int flags)
+ struct xfs_dquot *pdqp, bool force)
{
return 0;
}
diff --git a/fs/xfs/xfs_trans_dquot.c b/fs/xfs/xfs_trans_dquot.c
index 88146280a177..73ef5994d09d 100644
--- a/fs/xfs/xfs_trans_dquot.c
+++ b/fs/xfs/xfs_trans_dquot.c
@@ -846,26 +846,30 @@ xfs_trans_reserve_quota_chown(
struct xfs_dquot *udqp,
struct xfs_dquot *gdqp,
struct xfs_dquot *pdqp,
- unsigned int flags)
+ bool force)
{
struct xfs_mount *mp = ip->i_mount;
- uint64_t delblks;
- unsigned int blkflags;
- struct xfs_dquot *udq_unres = NULL;
+ struct xfs_dquot *udq_unres = NULL; /* old dquots */
struct xfs_dquot *gdq_unres = NULL;
struct xfs_dquot *pdq_unres = NULL;
- struct xfs_dquot *udq_delblks = NULL;
+ struct xfs_dquot *udq_delblks = NULL; /* new dquots */
struct xfs_dquot *gdq_delblks = NULL;
struct xfs_dquot *pdq_delblks = NULL;
+ uint64_t delblks;
+ unsigned int qflags = XFS_QMOPT_RES_REGBLKS;
int error;
-
- ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL|XFS_ILOCK_SHARED));
+ /*
+ * XXX: This function doesn't handle rt quota counts correctly. We
+ * don't support mounting with rt+quota so leave this breadcrumb.
+ */
+ ASSERT(!XFS_IS_REALTIME_INODE(ip));
+ ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
ASSERT(XFS_IS_QUOTA_RUNNING(mp));
delblks = ip->i_delayed_blks;
- blkflags = XFS_IS_REALTIME_INODE(ip) ?
- XFS_QMOPT_RES_RTBLKS : XFS_QMOPT_RES_REGBLKS;
+ if (force)
+ qflags |= XFS_QMOPT_FORCE_RES;
if (XFS_IS_UQUOTA_ON(mp) && udqp &&
i_uid_read(VFS_I(ip)) != udqp->q_id) {
@@ -898,9 +902,9 @@ xfs_trans_reserve_quota_chown(
}
}
- error = xfs_trans_reserve_quota_bydquots(tp, ip->i_mount,
- udq_delblks, gdq_delblks, pdq_delblks,
- ip->i_d.di_nblocks, 1, flags | blkflags);
+ error = xfs_trans_reserve_quota_bydquots(tp, ip->i_mount, udq_delblks,
+ gdq_delblks, pdq_delblks, ip->i_d.di_nblocks, 1,
+ qflags);
if (error)
return error;
@@ -917,13 +921,13 @@ xfs_trans_reserve_quota_chown(
ASSERT(udq_delblks || gdq_delblks || pdq_delblks);
ASSERT(udq_unres || gdq_unres || pdq_unres);
error = xfs_trans_reserve_quota_bydquots(NULL, ip->i_mount,
- udq_delblks, gdq_delblks, pdq_delblks,
- (xfs_qcnt_t)delblks, 0, flags | blkflags);
+ udq_delblks, gdq_delblks, pdq_delblks,
+ (xfs_qcnt_t)delblks, 0, qflags);
if (error)
return error;
- xfs_trans_reserve_quota_bydquots(NULL, ip->i_mount,
- udq_unres, gdq_unres, pdq_unres,
- -((xfs_qcnt_t)delblks), 0, blkflags);
+ xfs_trans_reserve_quota_bydquots(NULL, ip->i_mount, udq_unres,
+ gdq_unres, pdq_unres, -((xfs_qcnt_t)delblks),
+ 0, qflags);
}
return 0;
^ permalink raw reply related [flat|nested] 19+ messages in thread
* Re: [PATCH 06/13] xfs: reduce quota reservation when doing a dax unwritten extent conversion
2021-01-29 2:17 ` [PATCH 06/13] xfs: reduce quota reservation when doing a dax unwritten extent conversion Darrick J. Wong
@ 2021-01-29 5:57 ` Christoph Hellwig
0 siblings, 0 replies; 19+ messages in thread
From: Christoph Hellwig @ 2021-01-29 5:57 UTC (permalink / raw)
To: Darrick J. Wong; +Cc: linux-xfs, hch, david, bfoster
On Thu, Jan 28, 2021 at 06:17:03PM -0800, Darrick J. Wong wrote:
> From: Darrick J. Wong <djwong@kernel.org>
>
> In commit 3b0fe47805802, we reduced the free space requirement to
> perform a pre-write unwritten extent conversion on an S_DAX file. Since
> we're not actually allocating any space, the logic goes, we only need
> enough reservation to handle shape changes in the bmbt.
>
> The same logic should have been applied to quota -- we're not allocating
> any space, so we only need to reserve enough quota to handle the bmbt
> shape changes.
>
> Fixes: 3b0fe4780580 ("xfs: Don't use reserved blocks for data blocks with DAX")
> Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Looks good,
Reviewed-by: Christoph Hellwig <hch@lst.de>
^ permalink raw reply [flat|nested] 19+ messages in thread
* Re: [PATCH 10/13] xfs: refactor reflink functions to use xfs_trans_alloc_inode
2021-01-29 2:17 ` [PATCH 10/13] xfs: refactor reflink functions to use xfs_trans_alloc_inode Darrick J. Wong
@ 2021-01-29 6:00 ` Christoph Hellwig
0 siblings, 0 replies; 19+ messages in thread
From: Christoph Hellwig @ 2021-01-29 6:00 UTC (permalink / raw)
To: Darrick J. Wong; +Cc: Brian Foster, linux-xfs, hch, david
Looks good,
Reviewed-by: Christoph Hellwig <hch@lst.de>
^ permalink raw reply [flat|nested] 19+ messages in thread
* Re: [PATCH 11/13] xfs: refactor inode creation transaction/inode/quota allocation idiom
2021-01-29 2:17 ` [PATCH 11/13] xfs: refactor inode creation transaction/inode/quota allocation idiom Darrick J. Wong
@ 2021-01-29 6:01 ` Christoph Hellwig
0 siblings, 0 replies; 19+ messages in thread
From: Christoph Hellwig @ 2021-01-29 6:01 UTC (permalink / raw)
To: Darrick J. Wong; +Cc: Brian Foster, linux-xfs, hch, david
Looks good,
Reviewed-by: Christoph Hellwig <hch@lst.de>
^ permalink raw reply [flat|nested] 19+ messages in thread
* Re: [PATCH 04/13] xfs: clean up icreate quota reservation calls
2021-01-28 6:01 ` [PATCH 04/13] xfs: clean up icreate quota reservation calls Darrick J. Wong
@ 2021-01-28 18:09 ` Brian Foster
0 siblings, 0 replies; 19+ messages in thread
From: Brian Foster @ 2021-01-28 18:09 UTC (permalink / raw)
To: Darrick J. Wong; +Cc: Christoph Hellwig, linux-xfs, hch, david
On Wed, Jan 27, 2021 at 10:01:27PM -0800, Darrick J. Wong wrote:
> From: Darrick J. Wong <djwong@kernel.org>
>
> Create a proper helper so that inode creation calls can reserve quota
> with a dedicated function.
>
> Signed-off-by: Darrick J. Wong <djwong@kernel.org>
> Reviewed-by: Christoph Hellwig <hch@lst.de>
> ---
Reviewed-by: Brian Foster <bfoster@redhat.com>
> fs/xfs/xfs_inode.c | 6 ++----
> fs/xfs/xfs_quota.h | 14 ++++++++++----
> fs/xfs/xfs_symlink.c | 3 +--
> fs/xfs/xfs_trans_dquot.c | 18 ++++++++++++++++++
> 4 files changed, 31 insertions(+), 10 deletions(-)
>
>
> diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
> index e2a1db4cee43..4bbd2fb628f7 100644
> --- a/fs/xfs/xfs_inode.c
> +++ b/fs/xfs/xfs_inode.c
> @@ -1037,8 +1037,7 @@ xfs_create(
> /*
> * Reserve disk quota and the inode.
> */
> - error = xfs_trans_reserve_quota(tp, mp, udqp, gdqp,
> - pdqp, resblks, 1, 0);
> + error = xfs_trans_reserve_quota_icreate(tp, udqp, gdqp, pdqp, resblks);
> if (error)
> goto out_trans_cancel;
>
> @@ -1169,8 +1168,7 @@ xfs_create_tmpfile(
> if (error)
> goto out_release_inode;
>
> - error = xfs_trans_reserve_quota(tp, mp, udqp, gdqp,
> - pdqp, resblks, 1, 0);
> + error = xfs_trans_reserve_quota_icreate(tp, udqp, gdqp, pdqp, resblks);
> if (error)
> goto out_trans_cancel;
>
> diff --git a/fs/xfs/xfs_quota.h b/fs/xfs/xfs_quota.h
> index a395dabee033..d1e3f94140b4 100644
> --- a/fs/xfs/xfs_quota.h
> +++ b/fs/xfs/xfs_quota.h
> @@ -86,6 +86,9 @@ extern int xfs_trans_reserve_quota_nblks(struct xfs_trans *,
> extern int xfs_trans_reserve_quota_bydquots(struct xfs_trans *,
> struct xfs_mount *, struct xfs_dquot *,
> struct xfs_dquot *, struct xfs_dquot *, int64_t, long, uint);
> +int xfs_trans_reserve_quota_icreate(struct xfs_trans *tp,
> + struct xfs_dquot *udqp, struct xfs_dquot *gdqp,
> + struct xfs_dquot *pdqp, int64_t dblocks);
>
> extern int xfs_qm_vop_dqalloc(struct xfs_inode *, kuid_t, kgid_t,
> prid_t, uint, struct xfs_dquot **, struct xfs_dquot **,
> @@ -149,6 +152,13 @@ xfs_quota_reserve_blkres(struct xfs_inode *ip, int64_t dblocks)
> return 0;
> }
>
> +static inline int
> +xfs_trans_reserve_quota_icreate(struct xfs_trans *tp, struct xfs_dquot *udqp,
> + struct xfs_dquot *gdqp, struct xfs_dquot *pdqp, int64_t dblocks)
> +{
> + return 0;
> +}
> +
> #define xfs_qm_vop_create_dqattach(tp, ip, u, g, p)
> #define xfs_qm_vop_rename_dqattach(it) (0)
> #define xfs_qm_vop_chown(tp, ip, old, new) (NULL)
> @@ -164,10 +174,6 @@ xfs_quota_reserve_blkres(struct xfs_inode *ip, int64_t dblocks)
> #define xfs_qm_unmount_quotas(mp)
> #endif /* CONFIG_XFS_QUOTA */
>
> -#define xfs_trans_reserve_quota(tp, mp, ud, gd, pd, nb, ni, f) \
> - xfs_trans_reserve_quota_bydquots(tp, mp, ud, gd, pd, nb, ni, \
> - f | XFS_QMOPT_RES_REGBLKS)
> -
> static inline int
> xfs_quota_unreserve_blkres(struct xfs_inode *ip, int64_t dblocks)
> {
> diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c
> index 7f96649e918a..d5dee8f409b2 100644
> --- a/fs/xfs/xfs_symlink.c
> +++ b/fs/xfs/xfs_symlink.c
> @@ -215,8 +215,7 @@ xfs_symlink(
> /*
> * Reserve disk quota : blocks and inode.
> */
> - error = xfs_trans_reserve_quota(tp, mp, udqp, gdqp,
> - pdqp, resblks, 1, 0);
> + error = xfs_trans_reserve_quota_icreate(tp, udqp, gdqp, pdqp, resblks);
> if (error)
> goto out_trans_cancel;
>
> diff --git a/fs/xfs/xfs_trans_dquot.c b/fs/xfs/xfs_trans_dquot.c
> index 28b8ac701919..22aa875b84f7 100644
> --- a/fs/xfs/xfs_trans_dquot.c
> +++ b/fs/xfs/xfs_trans_dquot.c
> @@ -804,6 +804,24 @@ xfs_trans_reserve_quota_nblks(
> nblks, ninos, flags);
> }
>
> +/* Change the quota reservations for an inode creation activity. */
> +int
> +xfs_trans_reserve_quota_icreate(
> + struct xfs_trans *tp,
> + struct xfs_dquot *udqp,
> + struct xfs_dquot *gdqp,
> + struct xfs_dquot *pdqp,
> + int64_t dblocks)
> +{
> + struct xfs_mount *mp = tp->t_mountp;
> +
> + if (!XFS_IS_QUOTA_RUNNING(mp) || !XFS_IS_QUOTA_ON(mp))
> + return 0;
> +
> + return xfs_trans_reserve_quota_bydquots(tp, mp, udqp, gdqp, pdqp,
> + dblocks, 1, XFS_QMOPT_RES_REGBLKS);
> +}
> +
> /*
> * This routine is called to allocate a quotaoff log item.
> */
>
^ permalink raw reply [flat|nested] 19+ messages in thread
* [PATCH 04/13] xfs: clean up icreate quota reservation calls
2021-01-28 6:01 [PATCHSET v3 00/13] xfs: minor cleanups of the quota functions Darrick J. Wong
@ 2021-01-28 6:01 ` Darrick J. Wong
2021-01-28 18:09 ` Brian Foster
0 siblings, 1 reply; 19+ messages in thread
From: Darrick J. Wong @ 2021-01-28 6:01 UTC (permalink / raw)
To: djwong; +Cc: Christoph Hellwig, linux-xfs, hch, david, bfoster
From: Darrick J. Wong <djwong@kernel.org>
Create a proper helper so that inode creation calls can reserve quota
with a dedicated function.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
fs/xfs/xfs_inode.c | 6 ++----
fs/xfs/xfs_quota.h | 14 ++++++++++----
fs/xfs/xfs_symlink.c | 3 +--
fs/xfs/xfs_trans_dquot.c | 18 ++++++++++++++++++
4 files changed, 31 insertions(+), 10 deletions(-)
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index e2a1db4cee43..4bbd2fb628f7 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -1037,8 +1037,7 @@ xfs_create(
/*
* Reserve disk quota and the inode.
*/
- error = xfs_trans_reserve_quota(tp, mp, udqp, gdqp,
- pdqp, resblks, 1, 0);
+ error = xfs_trans_reserve_quota_icreate(tp, udqp, gdqp, pdqp, resblks);
if (error)
goto out_trans_cancel;
@@ -1169,8 +1168,7 @@ xfs_create_tmpfile(
if (error)
goto out_release_inode;
- error = xfs_trans_reserve_quota(tp, mp, udqp, gdqp,
- pdqp, resblks, 1, 0);
+ error = xfs_trans_reserve_quota_icreate(tp, udqp, gdqp, pdqp, resblks);
if (error)
goto out_trans_cancel;
diff --git a/fs/xfs/xfs_quota.h b/fs/xfs/xfs_quota.h
index a395dabee033..d1e3f94140b4 100644
--- a/fs/xfs/xfs_quota.h
+++ b/fs/xfs/xfs_quota.h
@@ -86,6 +86,9 @@ extern int xfs_trans_reserve_quota_nblks(struct xfs_trans *,
extern int xfs_trans_reserve_quota_bydquots(struct xfs_trans *,
struct xfs_mount *, struct xfs_dquot *,
struct xfs_dquot *, struct xfs_dquot *, int64_t, long, uint);
+int xfs_trans_reserve_quota_icreate(struct xfs_trans *tp,
+ struct xfs_dquot *udqp, struct xfs_dquot *gdqp,
+ struct xfs_dquot *pdqp, int64_t dblocks);
extern int xfs_qm_vop_dqalloc(struct xfs_inode *, kuid_t, kgid_t,
prid_t, uint, struct xfs_dquot **, struct xfs_dquot **,
@@ -149,6 +152,13 @@ xfs_quota_reserve_blkres(struct xfs_inode *ip, int64_t dblocks)
return 0;
}
+static inline int
+xfs_trans_reserve_quota_icreate(struct xfs_trans *tp, struct xfs_dquot *udqp,
+ struct xfs_dquot *gdqp, struct xfs_dquot *pdqp, int64_t dblocks)
+{
+ return 0;
+}
+
#define xfs_qm_vop_create_dqattach(tp, ip, u, g, p)
#define xfs_qm_vop_rename_dqattach(it) (0)
#define xfs_qm_vop_chown(tp, ip, old, new) (NULL)
@@ -164,10 +174,6 @@ xfs_quota_reserve_blkres(struct xfs_inode *ip, int64_t dblocks)
#define xfs_qm_unmount_quotas(mp)
#endif /* CONFIG_XFS_QUOTA */
-#define xfs_trans_reserve_quota(tp, mp, ud, gd, pd, nb, ni, f) \
- xfs_trans_reserve_quota_bydquots(tp, mp, ud, gd, pd, nb, ni, \
- f | XFS_QMOPT_RES_REGBLKS)
-
static inline int
xfs_quota_unreserve_blkres(struct xfs_inode *ip, int64_t dblocks)
{
diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c
index 7f96649e918a..d5dee8f409b2 100644
--- a/fs/xfs/xfs_symlink.c
+++ b/fs/xfs/xfs_symlink.c
@@ -215,8 +215,7 @@ xfs_symlink(
/*
* Reserve disk quota : blocks and inode.
*/
- error = xfs_trans_reserve_quota(tp, mp, udqp, gdqp,
- pdqp, resblks, 1, 0);
+ error = xfs_trans_reserve_quota_icreate(tp, udqp, gdqp, pdqp, resblks);
if (error)
goto out_trans_cancel;
diff --git a/fs/xfs/xfs_trans_dquot.c b/fs/xfs/xfs_trans_dquot.c
index 28b8ac701919..22aa875b84f7 100644
--- a/fs/xfs/xfs_trans_dquot.c
+++ b/fs/xfs/xfs_trans_dquot.c
@@ -804,6 +804,24 @@ xfs_trans_reserve_quota_nblks(
nblks, ninos, flags);
}
+/* Change the quota reservations for an inode creation activity. */
+int
+xfs_trans_reserve_quota_icreate(
+ struct xfs_trans *tp,
+ struct xfs_dquot *udqp,
+ struct xfs_dquot *gdqp,
+ struct xfs_dquot *pdqp,
+ int64_t dblocks)
+{
+ struct xfs_mount *mp = tp->t_mountp;
+
+ if (!XFS_IS_QUOTA_RUNNING(mp) || !XFS_IS_QUOTA_ON(mp))
+ return 0;
+
+ return xfs_trans_reserve_quota_bydquots(tp, mp, udqp, gdqp, pdqp,
+ dblocks, 1, XFS_QMOPT_RES_REGBLKS);
+}
+
/*
* This routine is called to allocate a quotaoff log item.
*/
^ permalink raw reply related [flat|nested] 19+ messages in thread
end of thread, other threads:[~2021-01-29 6:02 UTC | newest]
Thread overview: 19+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-01-29 2:16 [PATCHSET v4 00/13] xfs: minor cleanups of the quota functions Darrick J. Wong
2021-01-29 2:16 ` [PATCH 01/13] xfs: clean up quota reservation callsites Darrick J. Wong
2021-01-29 2:16 ` [PATCH 02/13] xfs: create convenience wrappers for incore quota block reservations Darrick J. Wong
2021-01-29 2:16 ` [PATCH 03/13] xfs: remove xfs_trans_unreserve_quota_nblks completely Darrick J. Wong
2021-01-29 2:16 ` [PATCH 04/13] xfs: clean up icreate quota reservation calls Darrick J. Wong
2021-01-29 2:16 ` [PATCH 05/13] xfs: fix up build warnings when quotas are disabled Darrick J. Wong
2021-01-29 2:17 ` [PATCH 06/13] xfs: reduce quota reservation when doing a dax unwritten extent conversion Darrick J. Wong
2021-01-29 5:57 ` Christoph Hellwig
2021-01-29 2:17 ` [PATCH 07/13] xfs: reserve data and rt quota at the same time Darrick J. Wong
2021-01-29 2:17 ` [PATCH 08/13] xfs: refactor common transaction/inode/quota allocation idiom Darrick J. Wong
2021-01-29 2:17 ` [PATCH 09/13] xfs: allow reservation of rtblocks with xfs_trans_alloc_inode Darrick J. Wong
2021-01-29 2:17 ` [PATCH 10/13] xfs: refactor reflink functions to use xfs_trans_alloc_inode Darrick J. Wong
2021-01-29 6:00 ` Christoph Hellwig
2021-01-29 2:17 ` [PATCH 11/13] xfs: refactor inode creation transaction/inode/quota allocation idiom Darrick J. Wong
2021-01-29 6:01 ` Christoph Hellwig
2021-01-29 2:17 ` [PATCH 12/13] xfs: move xfs_qm_vop_chown_reserve to xfs_trans_dquot.c Darrick J. Wong
2021-01-29 2:17 ` [PATCH 13/13] xfs: clean up xfs_trans_reserve_quota_chown a bit Darrick J. Wong
-- strict thread matches above, loose matches on Subject: below --
2021-01-28 6:01 [PATCHSET v3 00/13] xfs: minor cleanups of the quota functions Darrick J. Wong
2021-01-28 6:01 ` [PATCH 04/13] xfs: clean up icreate quota reservation calls Darrick J. Wong
2021-01-28 18:09 ` Brian Foster
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