xfs: remove superfluous writeback mapping eof trimming

Now that the cached writeback mapping is explicitly invalidated on
data fork changes, the EOF trimming band-aid is no longer necessary.
Remove xfs_trim_extent_eof() as well since it has no other users.

Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

2 files changed, 0 insertions, 12 deletions

diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 332eefa2700b..4c73927819c2 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -3685,17 +3685,6 @@ xfs_trim_extent(
         }
 }
 
-/* trim extent to within eof */
-void
-xfs_trim_extent_eof(
-        struct xfs_bmbt_irec    *irec,
-        struct xfs_inode        *ip)
-
-{
-        xfs_trim_extent(irec, 0, XFS_B_TO_FSB(ip->i_mount,
-                                              i_size_read(VFS_I(ip))));
-}
-
 /*
  * Trim the returned map to the required bounds
  */
diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h
index 09d3ea97cc15..b4ff710d7250 100644
--- a/fs/xfs/libxfs/xfs_bmap.h
+++ b/fs/xfs/libxfs/xfs_bmap.h
@@ -181,7 +181,6 @@ static inline bool xfs_bmap_is_real_extent(struct xfs_bmbt_irec *irec)
 
 void    xfs_trim_extent(struct xfs_bmbt_irec *irec, xfs_fileoff_t bno,
                 xfs_filblks_t len);
-void    xfs_trim_extent_eof(struct xfs_bmbt_irec *, struct xfs_inode *);
 int     xfs_bmap_add_attrfork(struct xfs_inode *ip, int size, int rsvd);
 int     xfs_bmap_set_attrforkoff(struct xfs_inode *ip, int size, int *version);
 void    xfs_bmap_local_to_extents_empty(struct xfs_inode *ip, int whichfork);