xfs: return a distinct error code value for IGET_INCORE cache misses
authorDarrick J. Wong <darrick.wong@oracle.com>
Wed, 18 Oct 2017 04:37:32 +0000 (21:37 -0700)
committerDarrick J. Wong <darrick.wong@oracle.com>
Thu, 26 Oct 2017 22:38:23 +0000 (15:38 -0700)
commited438b476b611c67089760037139f93ea8ed41d5
tree712423f2605555e63596856b8110887152913f5a
parent7561d27e90fa0df0aac2a1d6b49c2a28eaae7026
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>
fs/xfs/xfs_icache.c