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, 2 insertions, 7 deletions

diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 8617497867c7..f0f8084a67be 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -253,9 +253,7 @@ xfs_file_aio_read(
         if (file->f_mode & FMODE_NOCMTIME)
                 ioflags |= IO_INVIS;
 
-        ret = generic_segment_checks(iovp, &nr_segs, &size, VERIFY_WRITE);
-        if (ret < 0)
-                return ret;
+        size = iov_length(iovp, nr_segs);
 
         if (unlikely(ioflags & IO_ISDIRECT)) {
                 xfs_buftarg_t   *target =
@@ -777,10 +775,7 @@ xfs_file_aio_write(
 
         BUG_ON(iocb->ki_pos != pos);
 
-        ret = generic_segment_checks(iovp, &nr_segs, &ocount, VERIFY_READ);
-        if (ret)
-                return ret;
-
+        ocount = iov_length(iovp, nr_segs);
         if (ocount == 0)
                 return 0;