xfs: fix double ijoin in xfs_reflink_clear_inode_flag()

xfs_reflink_clear_inode_flag double-joins an inode to a transaction,
which is not allowed.  Fix that and document that the caller must have
already joined it.

Signed-Off-By: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
[darrick: edit out trace for nonexistent ASSERT]
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Dave Chinner 2018-05-09 07:49:10 -07:00 • committed by Darrick J. Wong
commit 844e5e74c1