Linux-XFS Archive on lore.kernel.org
 help / color / Atom feed
From: "Darrick J. Wong" <djwong@kernel.org>
To: djwong@kernel.org
Cc: linux-xfs@vger.kernel.org, hch@infradead.org, david@fromorbit.com
Subject: [PATCH 3/4] xfs: create convenience wrappers for incore quota block reservations
Date: Sat, 23 Jan 2021 10:51:51 -0800
Message-ID: <161142791177.2170981.5671264062040255172.stgit@magnolia> (raw)
In-Reply-To: <161142789504.2170981.1372317837643770452.stgit@magnolia>

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>
---
 fs/xfs/libxfs/xfs_bmap.c |   12 ++++++------
 fs/xfs/xfs_quota.h       |   19 +++++++++++++++++++
 fs/xfs/xfs_reflink.c     |    6 +++---
 3 files changed, 28 insertions(+), 9 deletions(-)


diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index aea179212946..908b7d49da60 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -4067,9 +4067,12 @@ xfs_bmapi_reserve_delalloc(
 	struct xfs_ifork	*ifp = XFS_IFORK_PTR(ip, whichfork);
 	xfs_extlen_t		alen;
 	xfs_extlen_t		indlen;
+	bool			isrt;
 	int			error;
 	xfs_fileoff_t		aoff = off;
 
+	isrt = (whichfork == XFS_DATA_FORK) && XFS_IS_REALTIME_INODE(ip);
+
 	/*
 	 * Cap the alloc length. Keep track of prealloc so we know whether to
 	 * tag the inode before we return.
@@ -4098,8 +4101,7 @@ 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, isrt);
 	if (error)
 		return error;
 
@@ -4145,8 +4147,7 @@ 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, isrt);
 	return error;
 }
 
@@ -4938,8 +4939,7 @@ 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);
+	error = xfs_quota_unreserve_blkres(ip, del->br_blockcount, isrt);
 	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 bd28d17941e7..a25e3ce04c60 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 nblks, bool isrt)
+{
+	return xfs_trans_reserve_quota_nblks(NULL, ip, nblks, 0,
+			isrt ? XFS_QMOPT_RES_RTBLKS : 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 nblks, bool isrt)
+{
+	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)
@@ -162,6 +175,12 @@ xfs_trans_unreserve_quota_nblks(struct xfs_trans *tp, struct xfs_inode *ip,
 	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 nblks, bool isrt)
+{
+	return xfs_quota_reserve_blkres(ip, -nblks, isrt);
+}
+
 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..0da1a603b7d8 100644
--- a/fs/xfs/xfs_reflink.c
+++ b/fs/xfs/xfs_reflink.c
@@ -508,9 +508,9 @@ 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,
+					XFS_IS_REALTIME_INODE(ip));
 			if (error)
 				break;
 		} else {


  parent reply index

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-23 18:51 [PATCHSET v2 0/4] xfs: minor cleanups of the quota functions Darrick J. Wong
2021-01-23 18:51 ` [PATCH 1/4] xfs: clean up quota reservation callsites Darrick J. Wong
2021-01-25 15:13   ` Brian Foster
2021-01-23 18:51 ` [PATCH 2/4] xfs: clean up quota reservation wrappers Darrick J. Wong
2021-01-25 15:13   ` Brian Foster
2021-01-23 18:51 ` Darrick J. Wong [this message]
2021-01-24  9:33   ` [PATCH 3/4] xfs: create convenience wrappers for incore quota block reservations Christoph Hellwig
2021-01-25 15:15   ` Brian Foster
2021-01-26 20:37     ` Darrick J. Wong
2021-01-23 18:51 ` [PATCH 4/4] xfs: clean up icreate quota reservation calls Darrick J. Wong
2021-01-25 15:17   ` Brian Foster
2021-01-26 18:23     ` Darrick J. Wong
2021-01-26  4:51 ` [PATCH 5/4] xfs: fix up build warnings when quotas are disabled Darrick J. Wong
2021-01-27 16:58   ` Christoph Hellwig
  -- strict thread matches above, loose matches on Subject: below --
2021-01-18 22:11 [PATCHSET 0/4] xfs: minor cleanups of the quota functions Darrick J. Wong
2021-01-18 22:11 ` [PATCH 3/4] xfs: create convenience wrappers for incore quota block reservations Darrick J. Wong
2021-01-19  6:44   ` Christoph Hellwig
2021-01-19 19:47     ` Darrick J. Wong
2021-01-19 20:26       ` Darrick J. Wong

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=161142791177.2170981.5671264062040255172.stgit@magnolia \
    --to=djwong@kernel.org \
    --cc=david@fromorbit.com \
    --cc=hch@infradead.org \
    --cc=linux-xfs@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

Linux-XFS Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/linux-xfs/0 linux-xfs/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 linux-xfs linux-xfs/ https://lore.kernel.org/linux-xfs \
		linux-xfs@vger.kernel.org
	public-inbox-index linux-xfs

Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.kernel.vger.linux-xfs


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git