summaryrefslogtreecommitdiff
path: root/fs/fat/inode.c
diff options
context:
space:
mode:
authorAl Viro <viro@zeniv.linux.org.uk>2014-03-04 22:38:00 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2014-05-06 17:32:45 -0400
commita6cbcd4a4a85e2fdb0b3344b88df2e8b3d526b9e (patch)
treec0f054759a0b9c26881109968ad018fe759af458 /fs/fat/inode.c
parent16b1f05d7f5ab4ce570963aca5f3b2b5d21822fa (diff)
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>
Diffstat (limited to 'fs/fat/inode.c')
-rw-r--r--fs/fat/inode.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index d5237a199055..154a6f9d3189 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -191,6 +191,7 @@ static ssize_t fat_direct_IO(int rw, struct kiocb *iocb,
struct file *file = iocb->ki_filp;
struct address_space *mapping = file->f_mapping;
struct inode *inode = mapping->host;
+ size_t count = iov_iter_count(iter);
ssize_t ret;
if (rw == WRITE) {
@@ -203,7 +204,7 @@ static ssize_t fat_direct_IO(int rw, struct kiocb *iocb,
*
* Return 0, and fallback to normal buffered write.
*/
- loff_t size = offset + iov_length(iter->iov, iter->nr_segs);
+ loff_t size = offset + count;
if (MSDOS_I(inode)->mmu_private < size)
return 0;
}
@@ -215,8 +216,7 @@ static ssize_t fat_direct_IO(int rw, struct kiocb *iocb,
ret = blockdev_direct_IO(rw, iocb, inode, iter->iov, offset,
iter->nr_segs, fat_get_block);
if (ret < 0 && (rw & WRITE))
- fat_write_failed(mapping, offset +
- iov_length(iter->iov, iter->nr_segs));
+ fat_write_failed(mapping, offset + count);
return ret;
}