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authorAl Viro <viro@zeniv.linux.org.uk>2014-03-04 15:24:06 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2014-05-06 17:32:43 -0400
commitcb66a7a1f149ff705fa37cad6d1252b046e0ad4f (patch)
tree32dd17f294e9ef96bfea727bba313a33590917ab /fs/btrfs/file.c
parent0ae5e4d370599592eab845527b31708a4f3411be (diff)
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>
Diffstat (limited to 'fs/btrfs/file.c')
-rw-r--r--fs/btrfs/file.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 1dafe0701daf..a0a94a30d85a 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1726,12 +1726,7 @@ static ssize_t btrfs_file_aio_write(struct kiocb *iocb,
mutex_lock(&inode->i_mutex);
- err = generic_segment_checks(iov, &nr_segs, &ocount, VERIFY_READ);
- if (err) {
- mutex_unlock(&inode->i_mutex);
- goto out;
- }
- count = ocount;
+ count = ocount = iov_length(iov, nr_segs);
current->backing_dev_info = inode->i_mapping->backing_dev_info;
err = generic_write_checks(file, &pos, &count, S_ISBLK(inode->i_mode));