From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: darrick.wong@oracle.com
Cc: linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-api@vger.kernel.org
Subject: [PATCH 04/18] xfs: support deferred bmap updates on the attr fork
Date: Tue, 28 Apr 2020 19:44:39 -0700 [thread overview]
Message-ID: <158812827961.168506.8394664032648525321.stgit@magnolia> (raw)
In-Reply-To: <158812825316.168506.932540609191384366.stgit@magnolia>
From: Darrick J. Wong <darrick.wong@oracle.com>
The deferred bmap update log item has always supported the attr fork, so
plumb this in so that higher layers can access this.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
---
fs/xfs/libxfs/xfs_bmap.c | 42 ++++++++++++++++--------------------------
fs/xfs/libxfs/xfs_bmap.h | 4 ++--
fs/xfs/xfs_bmap_item.c | 2 +-
fs/xfs/xfs_bmap_util.c | 8 ++++----
fs/xfs/xfs_reflink.c | 4 ++--
5 files changed, 25 insertions(+), 35 deletions(-)
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 33dbae784463..2752df4f4e69 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -6238,17 +6238,8 @@ xfs_bmap_split_extent(
return error;
}
-/* Deferred mapping is only for real extents in the data fork. */
-static bool
-xfs_bmap_is_update_needed(
- struct xfs_bmbt_irec *bmap)
-{
- return bmap->br_startblock != HOLESTARTBLOCK &&
- bmap->br_startblock != DELAYSTARTBLOCK;
-}
-
/* Record a bmap intent. */
-static int
+static void
__xfs_bmap_add(
struct xfs_trans *tp,
enum xfs_bmap_intent_type type,
@@ -6258,6 +6249,11 @@ __xfs_bmap_add(
{
struct xfs_bmap_intent *bi;
+ if ((whichfork != XFS_DATA_FORK && whichfork != XFS_ATTR_FORK) ||
+ bmap->br_startblock == HOLESTARTBLOCK ||
+ bmap->br_startblock == DELAYSTARTBLOCK)
+ return;
+
trace_xfs_bmap_defer(tp->t_mountp,
XFS_FSB_TO_AGNO(tp->t_mountp, bmap->br_startblock),
type,
@@ -6275,7 +6271,6 @@ __xfs_bmap_add(
bi->bi_bmap = *bmap;
xfs_defer_add(tp, XFS_DEFER_OPS_TYPE_BMAP, &bi->bi_list);
- return 0;
}
/* Map an extent into a file. */
@@ -6283,12 +6278,10 @@ void
xfs_bmap_map_extent(
struct xfs_trans *tp,
struct xfs_inode *ip,
+ int whichfork,
struct xfs_bmbt_irec *PREV)
{
- if (!xfs_bmap_is_update_needed(PREV))
- return;
-
- __xfs_bmap_add(tp, XFS_BMAP_MAP, ip, XFS_DATA_FORK, PREV);
+ __xfs_bmap_add(tp, XFS_BMAP_MAP, ip, whichfork, PREV);
}
/* Unmap an extent out of a file. */
@@ -6296,12 +6289,10 @@ void
xfs_bmap_unmap_extent(
struct xfs_trans *tp,
struct xfs_inode *ip,
+ int whichfork,
struct xfs_bmbt_irec *PREV)
{
- if (!xfs_bmap_is_update_needed(PREV))
- return;
-
- __xfs_bmap_add(tp, XFS_BMAP_UNMAP, ip, XFS_DATA_FORK, PREV);
+ __xfs_bmap_add(tp, XFS_BMAP_UNMAP, ip, whichfork, PREV);
}
/*
@@ -6320,6 +6311,10 @@ xfs_bmap_finish_one(
xfs_exntst_t state)
{
int error = 0;
+ int flags = 0;
+
+ if (whichfork == XFS_ATTR_FORK)
+ flags |= XFS_BMAPI_ATTRFORK;
ASSERT(tp->t_firstblock == NULLFSBLOCK);
@@ -6328,11 +6323,6 @@ xfs_bmap_finish_one(
XFS_FSB_TO_AGBNO(tp->t_mountp, startblock),
ip->i_ino, whichfork, startoff, *blockcount, state);
- if (WARN_ON_ONCE(whichfork != XFS_DATA_FORK)) {
- xfs_bmap_mark_sick(ip, whichfork);
- return -EFSCORRUPTED;
- }
-
if (XFS_TEST_ERROR(false, tp->t_mountp,
XFS_ERRTAG_BMAP_FINISH_ONE))
return -EIO;
@@ -6340,12 +6330,12 @@ xfs_bmap_finish_one(
switch (type) {
case XFS_BMAP_MAP:
error = xfs_bmapi_remap(tp, ip, startoff, *blockcount,
- startblock, 0);
+ startblock, flags);
*blockcount = 0;
break;
case XFS_BMAP_UNMAP:
error = __xfs_bunmapi(tp, ip, startoff, blockcount,
- XFS_BMAPI_REMAP, 1);
+ flags | XFS_BMAPI_REMAP, 1);
break;
default:
ASSERT(0);
diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h
index bbd8ccdecffa..3367df499ac8 100644
--- a/fs/xfs/libxfs/xfs_bmap.h
+++ b/fs/xfs/libxfs/xfs_bmap.h
@@ -266,9 +266,9 @@ int xfs_bmap_finish_one(struct xfs_trans *tp, struct xfs_inode *ip,
xfs_fileoff_t startoff, xfs_fsblock_t startblock,
xfs_filblks_t *blockcount, xfs_exntst_t state);
void xfs_bmap_map_extent(struct xfs_trans *tp, struct xfs_inode *ip,
- struct xfs_bmbt_irec *imap);
+ int whichfork, struct xfs_bmbt_irec *imap);
void xfs_bmap_unmap_extent(struct xfs_trans *tp, struct xfs_inode *ip,
- struct xfs_bmbt_irec *imap);
+ int whichfork, struct xfs_bmbt_irec *imap);
static inline int xfs_bmap_fork_to_state(int whichfork)
{
diff --git a/fs/xfs/xfs_bmap_item.c b/fs/xfs/xfs_bmap_item.c
index 267351fbea67..7ad803a06634 100644
--- a/fs/xfs/xfs_bmap_item.c
+++ b/fs/xfs/xfs_bmap_item.c
@@ -581,7 +581,7 @@ xfs_bui_recover(
irec.br_blockcount = count;
irec.br_startoff = bmap->me_startoff;
irec.br_state = state;
- xfs_bmap_unmap_extent(tp, ip, &irec);
+ xfs_bmap_unmap_extent(tp, ip, whichfork, &irec);
}
set_bit(XFS_BUI_RECOVERED, &buip->bui_flags);
diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c
index 746bb0c8271c..070f657241a1 100644
--- a/fs/xfs/xfs_bmap_util.c
+++ b/fs/xfs/xfs_bmap_util.c
@@ -1440,16 +1440,16 @@ xfs_swap_extent_rmap(
trace_xfs_swap_extent_rmap_remap_piece(tip, &uirec);
/* Remove the mapping from the donor file. */
- xfs_bmap_unmap_extent(tp, tip, &uirec);
+ xfs_bmap_unmap_extent(tp, tip, XFS_DATA_FORK, &uirec);
/* Remove the mapping from the source file. */
- xfs_bmap_unmap_extent(tp, ip, &irec);
+ xfs_bmap_unmap_extent(tp, ip, XFS_DATA_FORK, &irec);
/* Map the donor file's blocks into the source file. */
- xfs_bmap_map_extent(tp, ip, &uirec);
+ xfs_bmap_map_extent(tp, ip, XFS_DATA_FORK, &uirec);
/* Map the source file's blocks into the donor file. */
- xfs_bmap_map_extent(tp, tip, &irec);
+ xfs_bmap_map_extent(tp, tip, XFS_DATA_FORK, &irec);
error = xfs_defer_finish(tpp);
tp = *tpp;
diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c
index 5e978d1f169d..f206f6637daf 100644
--- a/fs/xfs/xfs_reflink.c
+++ b/fs/xfs/xfs_reflink.c
@@ -706,7 +706,7 @@ xfs_reflink_end_cow_extent(
xfs_refcount_free_cow_extent(tp, del.br_startblock, del.br_blockcount);
/* Map the new blocks into the data fork. */
- xfs_bmap_map_extent(tp, ip, &del);
+ xfs_bmap_map_extent(tp, ip, XFS_DATA_FORK, &del);
/* Charge this new data fork mapping to the on-disk quota. */
xfs_trans_mod_dquot_byino(tp, ip, XFS_TRANS_DQ_DELBCOUNT,
@@ -1125,7 +1125,7 @@ xfs_reflink_remap_extent(
xfs_refcount_increase_extent(tp, &uirec);
/* Map the new blocks into the data fork. */
- xfs_bmap_map_extent(tp, ip, &uirec);
+ xfs_bmap_map_extent(tp, ip, XFS_DATA_FORK, &uirec);
/* Update quota accounting. */
xfs_trans_mod_dquot_byino(tp, ip, XFS_TRANS_DQ_BCOUNT,
next prev parent reply other threads:[~2020-04-29 2:44 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-29 2:44 [PATCH RFC 00/18] xfs: atomic file updates Darrick J. Wong
2020-04-29 2:44 ` [PATCH 01/18] xfs: clean up the error handling in xfs_swap_extent_rmap Darrick J. Wong
2020-04-29 2:44 ` [PATCH 02/18] xfs: fix xfs_reflink_remap_prep calling conventions Darrick J. Wong
2020-05-01 22:54 ` Allison Collins
2020-04-29 2:44 ` [PATCH 03/18] vfs: introduce new file extent swap ioctl Darrick J. Wong
2020-04-29 2:44 ` Darrick J. Wong [this message]
2020-04-29 2:44 ` [PATCH 05/18] xfs: xfs_bmap_finish_one should map unwritten extents properly Darrick J. Wong
2020-04-29 2:44 ` [PATCH 06/18] xfs: create a log incompat flag for atomic extent swapping Darrick J. Wong
2020-04-29 2:45 ` [PATCH 07/18] xfs: allow deferred ops items to put themselves at the end of the pending queue Darrick J. Wong
2020-04-29 2:45 ` [PATCH 08/18] xfs: introduce a swap-extent log intent item Darrick J. Wong
2020-04-29 2:45 ` [PATCH 09/18] xfs: create deferred log items for extent swapping Darrick J. Wong
2020-04-29 2:45 ` [PATCH 10/18] xfs: refactor locking and unlocking two inodes against userspace IO Darrick J. Wong
2020-04-29 2:45 ` [PATCH 11/18] xfs: add a ->swap_file_range handler Darrick J. Wong
2020-04-29 2:45 ` [PATCH 12/18] xfs: add error injection to test swapext recovery Darrick J. Wong
2020-04-29 2:45 ` [PATCH 13/18] xfs: allow xfs_swap_range to use older extent swap algorithms Darrick J. Wong
2020-04-29 2:45 ` [PATCH 14/18] xfs: port xfs_swap_extents_rmap to our new code Darrick J. Wong
2020-04-29 2:45 ` [PATCH 15/18] xfs: consolidate all of the xfs_swap_extent_forks code Darrick J. Wong
2020-04-29 2:45 ` [PATCH 16/18] xfs: refactor reflink flag handling in xfs_swap_extent_forks Darrick J. Wong
2020-04-29 2:46 ` [PATCH 17/18] xfs: remove old swap extents implementation Darrick J. Wong
2020-04-29 2:46 ` [PATCH 18/18] xfs: fix quota accounting in the old fork swap code Darrick J. Wong
2020-05-01 19:46 ` [PATCH RFC 00/18] xfs: atomic file updates Jann Horn
2020-05-01 20:11 ` Darrick J. Wong
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