kill generic_segment_checks()

all callers of ->aio_read() and ->aio_write() have iov/nr_segs already
checked - generic_segment_checks() done after that is just an odd way
to spell iov_length().

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 1 insertions, 4 deletions

diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c
index db9bd8a31725..b6fa457d8d01 100644
--- a/fs/ntfs/file.c
+++ b/fs/ntfs/file.c
@@ -2091,10 +2091,7 @@ static ssize_t ntfs_file_aio_write_nolock(struct kiocb *iocb,
         size_t count;           /* after file limit checks */
         ssize_t written, err;
 
-        count = 0;
-        err = generic_segment_checks(iov, &nr_segs, &count, VERIFY_READ);
-        if (err)
-                return err;
+        count = iov_length(iov, nr_segs);
         pos = *ppos;
         /* We can write back this queue in page reclaim. */
         current->backing_dev_info = mapping->backing_dev_info;