xfs: remove s_maxbytes enforcement in xfs_file_read_iter

All the three low-level read implementations that we might call already
take care of not overflowing the maximum supported bytes, no need to
duplicate it here.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

1 files changed, 0 insertions, 8 deletions

diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index e51622c8e482..7ec8225b7fd2 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -292,7 +292,6 @@ xfs_file_read_iter(
         struct xfs_mount        *mp = ip->i_mount;
         size_t                  size = iov_iter_count(to);
         ssize_t                 ret = 0;
-        xfs_fsize_t             n;
         loff_t                  pos = iocb->ki_pos;
 
         XFS_STATS_INC(mp, xs_read_calls);
@@ -309,13 +308,6 @@ xfs_file_read_iter(
                 }
         }
 
-        n = mp->m_super->s_maxbytes - pos;
-        if (n <= 0 || size == 0)
-                return 0;
-
-        if (n < size)
-                size = n;
-
         if (XFS_FORCED_SHUTDOWN(mp))
                 return -EIO;