Patch "xfs: return a distinct error code value for IGET_INCORE cache misses" has been added to the 4.14-stable tree

Patch "xfs: return a distinct error code value for IGET_INCORE cache misses" has been added to the 4.14-stable tree

[gregkh]

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

    xfs: return a distinct error code value for IGET_INCORE cache misses

to the 4.14-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-return-a-distinct-error-code-value-for-iget_incore-cache-misses.patch
and it can be found in the queue-4.14 subdirectory.

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


>From foo@baz Mon Dec 18 13:28:59 CET 2017
From: "Darrick J. Wong" <darrick.wong@oracle.com>
Date: Tue, 17 Oct 2017 21:37:32 -0700
Subject: xfs: return a distinct error code value for IGET_INCORE cache misses

From: "Darrick J. Wong" <darrick.wong@oracle.com>


[ Upstream commit ed438b476b611c67089760037139f93ea8ed41d5 ]

For an XFS_IGET_INCORE iget operation, if the inode isn't in the cache,
return ENODATA so that we don't confuse it with the pre-existing ENOENT
cases (inode is in cache, but freed).

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 fs/xfs/xfs_icache.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -610,7 +610,7 @@ again:
 	} else {
 		rcu_read_unlock();
 		if (flags & XFS_IGET_INCORE) {
-			error = -ENOENT;
+			error = -ENODATA;
 			goto out_error_or_again;
 		}
 		XFS_STATS_INC(mp, xs_ig_missed);


Patches currently in stable-queue which might be from darrick.wong@oracle.com are

queue-4.14/xfs-fix-incorrect-extent-state-in-xfs_bmap_add_extent_unwritten_real.patch
queue-4.14/xfs-fix-log-block-underflow-during-recovery-cycle-verification.patch
queue-4.14/xfs-truncate-pagecache-before-writeback-in-xfs_setattr_size.patch
queue-4.14/xfs-return-a-distinct-error-code-value-for-iget_incore-cache-misses.patch