xfs: no need to lock the inode in xfs_find_handle

Both the inode number and the generation do not change on a live inode.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>

1 files changed, 0 insertions, 4 deletions

diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index 33ad9a77791f..518aa56b8f2e 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -112,15 +112,11 @@ xfs_find_handle(
                 memset(&handle.ha_fid, 0, sizeof(handle.ha_fid));
                 hsize = sizeof(xfs_fsid_t);
         } else {
-                int             lock_mode;
-
-                lock_mode = xfs_ilock_map_shared(ip);
                 handle.ha_fid.fid_len = sizeof(xfs_fid_t) -
                                         sizeof(handle.ha_fid.fid_len);
                 handle.ha_fid.fid_pad = 0;
                 handle.ha_fid.fid_gen = ip->i_d.di_gen;
                 handle.ha_fid.fid_ino = ip->i_ino;
-                xfs_iunlock_map_shared(ip, lock_mode);
 
                 hsize = XFS_HSIZE(handle);
         }