get rid of pointless iov_length() in ->direct_IO()
all callers have iov_length(iter->iov, iter->nr_segs) == iov_iter_count(iter)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c
index 7052744..6cde592 100644
--- a/fs/jfs/inode.c
+++ b/fs/jfs/inode.c
@@ -336,6 +336,7 @@
struct file *file = iocb->ki_filp;
struct address_space *mapping = file->f_mapping;
struct inode *inode = file->f_mapping->host;
+ size_t count = iov_iter_count(iter);
ssize_t ret;
ret = blockdev_direct_IO(rw, iocb, inode, iter->iov, offset,
@@ -347,7 +348,7 @@
*/
if (unlikely((rw & WRITE) && ret < 0)) {
loff_t isize = i_size_read(inode);
- loff_t end = offset + iov_length(iter->iov, iter->nr_segs);
+ loff_t end = offset + count;
if (end > isize)
jfs_write_failed(mapping, end);