[PATCH 1/5] xfs: remove the same fs check from xfs_file_share_range

[Christoph Hellwig <hch@lst.de>]

The VFS already does the check, and the placement of this duplicate is in
the way of the following locking rework.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
---
 fs/xfs/xfs_file.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index a314fc7..20563f2 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -1003,9 +1003,6 @@ xfs_file_share_range(
 	    IS_SWAPFILE(inode_out))
 		return -ETXTBSY;
 
-	/* Reflink only works within this filesystem. */
-	if (inode_in->i_sb != inode_out->i_sb)
-		return -EXDEV;
 	same_inode = (inode_in->i_ino == inode_out->i_ino);
 
 	/* Don't reflink dirs, pipes, sockets... */
-- 
2.1.4