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

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>
zero-colors
Darrick J. Wong 2017-10-17 21:37:32 -07:00
parent 7561d27e90
commit ed438b476b
1 changed files with 1 additions and 1 deletions
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2
fs/xfs/xfs_icache.c
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@ -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);