Patch "xfs: factor out a new xfs_log_force_inode helper" has been added to the 5.4-stable tree

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This is a note to let you know that I've just added the patch titled

    xfs: factor out a new xfs_log_force_inode helper

to the 5.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     xfs-factor-out-a-new-xfs_log_force_inode-helper.patch
and it can be found in the queue-5.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From foo@baz Wed Oct 26 04:49:40 PM CEST 2022
From: Chandan Babu R <chandan.babu@xxxxxxxxxx>
Date: Wed, 26 Oct 2022 11:58:40 +0530
Subject: xfs: factor out a new xfs_log_force_inode helper
To: gregkh@xxxxxxxxxxxxxxxxxxx
Cc: sashal@xxxxxxxxxx, mcgrof@xxxxxxxxxx, linux-xfs@xxxxxxxxxxxxxxx, stable@xxxxxxxxxxxxxxx, djwong@xxxxxxxxxx, chandan.babu@xxxxxxxxxx, amir73il@xxxxxxxxx, leah.rumancik@xxxxxxxxx
Message-ID: <20221026062843.927600-24-chandan.babu@xxxxxxxxxx>

From: Christoph Hellwig <hch@xxxxxx>

commit 54fbdd1035e3a4e4f4082c335b095426cdefd092 upstream.

Create a new helper to force the log up to the last LSN touching an
inode.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx>
Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
Acked-by: Darrick J. Wong <djwong@xxxxxxxxxx>
Signed-off-by: Chandan Babu R <chandan.babu@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 fs/xfs/xfs_export.c |   14 +-------------
 fs/xfs/xfs_file.c   |   12 +-----------
 fs/xfs/xfs_inode.c  |   19 +++++++++++++++++++
 fs/xfs/xfs_inode.h  |    1 +
 4 files changed, 22 insertions(+), 24 deletions(-)

--- a/fs/xfs/xfs_export.c
+++ b/fs/xfs/xfs_export.c
@@ -15,7 +15,6 @@
 #include "xfs_trans.h"
 #include "xfs_inode_item.h"
 #include "xfs_icache.h"
-#include "xfs_log.h"
 #include "xfs_pnfs.h"
 
 /*
@@ -221,18 +220,7 @@ STATIC int
 xfs_fs_nfs_commit_metadata(
 	struct inode		*inode)
 {
-	struct xfs_inode	*ip = XFS_I(inode);
-	struct xfs_mount	*mp = ip->i_mount;
-	xfs_lsn_t		lsn = 0;
-
-	xfs_ilock(ip, XFS_ILOCK_SHARED);
-	if (xfs_ipincount(ip))
-		lsn = ip->i_itemp->ili_last_lsn;
-	xfs_iunlock(ip, XFS_ILOCK_SHARED);
-
-	if (!lsn)
-		return 0;
-	return xfs_log_force_lsn(mp, lsn, XFS_LOG_SYNC, NULL);
+	return xfs_log_force_inode(XFS_I(inode));
 }
 
 const struct export_operations xfs_export_operations = {
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -80,19 +80,9 @@ xfs_dir_fsync(
 	int			datasync)
 {
 	struct xfs_inode	*ip = XFS_I(file->f_mapping->host);
-	struct xfs_mount	*mp = ip->i_mount;
-	xfs_lsn_t		lsn = 0;
 
 	trace_xfs_dir_fsync(ip);
-
-	xfs_ilock(ip, XFS_ILOCK_SHARED);
-	if (xfs_ipincount(ip))
-		lsn = ip->i_itemp->ili_last_lsn;
-	xfs_iunlock(ip, XFS_ILOCK_SHARED);
-
-	if (!lsn)
-		return 0;
-	return xfs_log_force_lsn(mp, lsn, XFS_LOG_SYNC, NULL);
+	return xfs_log_force_inode(ip);
 }
 
 STATIC int
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -3973,3 +3973,22 @@ xfs_irele(
 	trace_xfs_irele(ip, _RET_IP_);
 	iput(VFS_I(ip));
 }
+
+/*
+ * Ensure all commited transactions touching the inode are written to the log.
+ */
+int
+xfs_log_force_inode(
+	struct xfs_inode	*ip)
+{
+	xfs_lsn_t		lsn = 0;
+
+	xfs_ilock(ip, XFS_ILOCK_SHARED);
+	if (xfs_ipincount(ip))
+		lsn = ip->i_itemp->ili_last_lsn;
+	xfs_iunlock(ip, XFS_ILOCK_SHARED);
+
+	if (!lsn)
+		return 0;
+	return xfs_log_force_lsn(ip->i_mount, lsn, XFS_LOG_SYNC, NULL);
+}
--- a/fs/xfs/xfs_inode.h
+++ b/fs/xfs/xfs_inode.h
@@ -441,6 +441,7 @@ int		xfs_itruncate_extents_flags(struct
 				struct xfs_inode *, int, xfs_fsize_t, int);
 void		xfs_iext_realloc(xfs_inode_t *, int, int);
 
+int		xfs_log_force_inode(struct xfs_inode *ip);
 void		xfs_iunpin_wait(xfs_inode_t *);
 #define xfs_ipincount(ip)	((unsigned int) atomic_read(&ip->i_pincount))
 


Patches currently in stable-queue which might be from chandan.babu@xxxxxxxxxx are

queue-5.4/xfs-check-owner-of-dir3-blocks.patch
queue-5.4/xfs-throttle-commits-on-delayed-background-cil-push.patch
queue-5.4/xfs-factor-common-ail-item-deletion-code.patch
queue-5.4/xfs-remove-the-xfs_dq_logitem_t-typedef.patch
queue-5.4/xfs-fix-buffer-corruption-reporting-when-xfs_dir3_free_header_check-fails.patch
queue-5.4/xfs-xfs_buf_corruption_error-should-take-__this_address.patch
queue-5.4/xfs-open-code-insert-range-extent-split-helper.patch
queue-5.4/xfs-don-t-write-a-corrupt-unmount-record-to-force-summary-counter-recalc.patch
queue-5.4/xfs-check-owner-of-dir3-data-blocks.patch
queue-5.4/xfs-factor-out-quotaoff-intent-ail-removal-and-memory-free.patch
queue-5.4/xfs-trylock-underlying-buffer-on-dquot-flush.patch
queue-5.4/xfs-remove-the-xfs_disk_dquot_t-and-xfs_dquot_t.patch
queue-5.4/xfs-add-a-function-to-deal-with-corrupt-buffers-post-verifiers.patch
queue-5.4/xfs-fix-use-after-free-on-cil-context-on-shutdown.patch
queue-5.4/xfs-tail-updates-only-need-to-occur-when-lsn-changes.patch
queue-5.4/xfs-use-scnprintf-for-avoiding-potential-buffer-overflow.patch
queue-5.4/xfs-move-inode-flush-to-the-sync-workqueue.patch
queue-5.4/xfs-lower-cil-flush-limit-for-large-logs.patch
queue-5.4/xfs-rework-collapse-range-into-an-atomic-operation.patch
queue-5.4/xfs-remove-the-xfs_qoff_logitem_t-typedef.patch
queue-5.4/xfs-fix-unmount-hang-and-memory-leak-on-shutdown-during-quotaoff.patch
queue-5.4/xfs-preserve-default-grace-interval-during-quotacheck.patch
queue-5.4/xfs-replace-function-declaration-by-actual-definition.patch
queue-5.4/xfs-rework-insert-range-into-an-atomic-operation.patch
queue-5.4/xfs-factor-out-a-new-xfs_log_force_inode-helper.patch
queue-5.4/xfs-reflink-should-force-the-log-out-if-mounted-with-wsync.patch



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