Commit cf810712 authored Jul 20, 2016 by Christoph Hellwig Committed by Dave Chinner Jul 20, 2016

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>

parent 3176c3e0

fs/xfs/xfs_file.c

+0 −8

Original line number	Diff line number	Diff line
		@@ -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;