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authorAl Viro <viro@zeniv.linux.org.uk>2014-03-04 22:14:00 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2014-05-06 17:32:45 -0400
commit16b1f05d7f5ab4ce570963aca5f3b2b5d21822fa (patch)
treec3cb15bc1843274bc2d70759dc9007da2a83c97e /fs/ext4/indirect.c
parent619d30b4b8c488042b4a720ca79dccc346d1a516 (diff)
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ext4: switch the guts of ->direct_IO() to iov_iter
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/ext4/indirect.c')
-rw-r--r--fs/ext4/indirect.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/fs/ext4/indirect.c b/fs/ext4/indirect.c
index 594009f5f523..eb5ae16902d0 100644
--- a/fs/ext4/indirect.c
+++ b/fs/ext4/indirect.c
@@ -639,8 +639,7 @@ out:
* VFS code falls back into buffered path in that case so we are safe.
*/
ssize_t ext4_ind_direct_IO(int rw, struct kiocb *iocb,
- const struct iovec *iov, loff_t offset,
- unsigned long nr_segs)
+ struct iov_iter *iter, loff_t offset)
{
struct file *file = iocb->ki_filp;
struct inode *inode = file->f_mapping->host;
@@ -648,7 +647,7 @@ ssize_t ext4_ind_direct_IO(int rw, struct kiocb *iocb,
handle_t *handle;
ssize_t ret;
int orphan = 0;
- size_t count = iov_length(iov, nr_segs);
+ size_t count = iov_length(iter->iov, iter->nr_segs);
int retries = 0;
if (rw == WRITE) {
@@ -687,18 +686,18 @@ retry:
goto locked;
}
ret = __blockdev_direct_IO(rw, iocb, inode,
- inode->i_sb->s_bdev, iov,
- offset, nr_segs,
+ inode->i_sb->s_bdev, iter->iov,
+ offset, iter->nr_segs,
ext4_get_block, NULL, NULL, 0);
inode_dio_done(inode);
} else {
locked:
- ret = blockdev_direct_IO(rw, iocb, inode, iov,
- offset, nr_segs, ext4_get_block);
+ ret = blockdev_direct_IO(rw, iocb, inode, iter->iov,
+ offset, iter->nr_segs, ext4_get_block);
if (unlikely((rw & WRITE) && ret < 0)) {
loff_t isize = i_size_read(inode);
- loff_t end = offset + iov_length(iov, nr_segs);
+ loff_t end = offset + count;
if (end > isize)
ext4_truncate_failed_write(inode);