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From: "Darrick J. Wong" <djwong@kernel.org>
To: djwong@kernel.org
Cc: linux-xfs@vger.kernel.org, hch@infradead.org
Subject: [PATCH 2/5] xfs: detach inode dquots at the end of inactivation
Date: Mon, 31 May 2021 15:41:02 -0700	[thread overview]
Message-ID: <162250086215.490412.4278433430856337071.stgit@locust> (raw)
In-Reply-To: <162250085103.490412.4291071116538386696.stgit@locust>

From: Darrick J. Wong <djwong@kernel.org>

Once we're done with inactivating an inode, we're finished updating
metadata for that inode.  This means that we can detach the dquots at
the end and not have to wait for reclaim to do it for us.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
---
 fs/xfs/xfs_icache.c |    2 +-
 fs/xfs/xfs_inode.c  |   22 +++++++++++-----------
 2 files changed, 12 insertions(+), 12 deletions(-)


diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c
index 32c17e84efa0..34b8b5fbd60d 100644
--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -1080,7 +1080,7 @@ xfs_reclaim_inode(
 	 * unlocked after the lookup before we go ahead and free it.
 	 */
 	xfs_ilock(ip, XFS_ILOCK_EXCL);
-	xfs_qm_dqdetach(ip);
+	ASSERT(!ip->i_udquot && !ip->i_gdquot && !ip->i_pdquot);
 	xfs_iunlock(ip, XFS_ILOCK_EXCL);
 	ASSERT(xfs_inode_clean(ip));
 
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 1e28997c6f78..718ab0c17b9d 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -1713,7 +1713,7 @@ xfs_inactive(
 	 */
 	if (VFS_I(ip)->i_mode == 0) {
 		ASSERT(ip->i_df.if_broot_bytes == 0);
-		return;
+		goto out;
 	}
 
 	mp = ip->i_mount;
@@ -1721,11 +1721,11 @@ xfs_inactive(
 
 	/* If this is a read-only mount, don't do this (would generate I/O) */
 	if (mp->m_flags & XFS_MOUNT_RDONLY)
-		return;
+		goto out;
 
 	/* Metadata inodes require explicit resource cleanup. */
 	if (xfs_is_metadata_inode(ip))
-		return;
+		goto out;
 
 	/* Try to clean out the cow blocks if there are any. */
 	if (xfs_inode_has_cow_data(ip))
@@ -1744,7 +1744,7 @@ xfs_inactive(
 		if (xfs_can_free_eofblocks(ip, true))
 			xfs_free_eofblocks(ip);
 
-		return;
+		goto out;
 	}
 
 	if (S_ISREG(VFS_I(ip)->i_mode) &&
@@ -1754,14 +1754,14 @@ xfs_inactive(
 
 	error = xfs_qm_dqattach(ip);
 	if (error)
-		return;
+		goto out;
 
 	if (S_ISLNK(VFS_I(ip)->i_mode))
 		error = xfs_inactive_symlink(ip);
 	else if (truncate)
 		error = xfs_inactive_truncate(ip);
 	if (error)
-		return;
+		goto out;
 
 	/*
 	 * If there are attributes associated with the file then blow them away
@@ -1771,7 +1771,7 @@ xfs_inactive(
 	if (XFS_IFORK_Q(ip)) {
 		error = xfs_attr_inactive(ip);
 		if (error)
-			return;
+			goto out;
 	}
 
 	ASSERT(!ip->i_afp);
@@ -1780,12 +1780,12 @@ xfs_inactive(
 	/*
 	 * Free the inode.
 	 */
-	error = xfs_inactive_ifree(ip);
-	if (error)
-		return;
+	xfs_inactive_ifree(ip);
 
+out:
 	/*
-	 * Release the dquots held by inode, if any.
+	 * We're done making metadata updates for this inode, so we can release
+	 * the attached dquots.
 	 */
 	xfs_qm_dqdetach(ip);
 }


  parent reply	other threads:[~2021-05-31 22:41 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-31 22:40 [PATCHSET v2 0/5] xfs: clean up quotaoff inode walks Darrick J. Wong
2021-05-31 22:40 ` [PATCH 1/5] xfs: move the quotaoff dqrele inode walk into xfs_icache.c Darrick J. Wong
2021-05-31 22:41 ` Darrick J. Wong [this message]
2021-06-01  0:09   ` [PATCH 2/5] xfs: detach inode dquots at the end of inactivation Dave Chinner
2021-05-31 22:41 ` [PATCH 3/5] xfs: separate the dqrele_all inode grab logic from xfs_inode_walk_ag_grab Darrick J. Wong
2021-06-01  0:20   ` Dave Chinner
2021-06-01 19:50     ` Darrick J. Wong
2021-06-01 21:40       ` Dave Chinner
2021-06-01 23:15         ` Darrick J. Wong
2021-05-31 22:41 ` [PATCH 4/5] xfs: drop inactive dquots before inactivating inodes Darrick J. Wong
2021-06-01  0:35   ` Dave Chinner
2021-06-01 19:53     ` Darrick J. Wong
2021-05-31 22:41 ` [PATCH 5/5] xfs: move xfs_inew_wait call into xfs_dqrele_inode Darrick J. Wong
2021-06-01  0:47   ` Dave Chinner

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