ext4: switch the guts of ->direct_IO() to iov_iter
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index f51db73..29996c1 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -3085,13 +3085,12 @@
*
*/
static ssize_t ext4_ext_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;
ssize_t ret;
- size_t count = iov_length(iov, nr_segs);
+ size_t count = iov_length(iter->iov, iter->nr_segs);
int overwrite = 0;
get_block_t *get_block_func = NULL;
int dio_flags = 0;
@@ -3100,7 +3099,7 @@
/* Use the old path for reads and writes beyond i_size. */
if (rw != WRITE || final_size > inode->i_size)
- return ext4_ind_direct_IO(rw, iocb, iov, offset, nr_segs);
+ return ext4_ind_direct_IO(rw, iocb, iter, offset);
BUG_ON(iocb->private == NULL);
@@ -3167,8 +3166,8 @@
dio_flags = DIO_LOCKING;
}
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,
get_block_func,
ext4_end_io_dio,
NULL,
@@ -3240,9 +3239,9 @@
trace_ext4_direct_IO_enter(inode, offset, iov_length(iter->iov, iter->nr_segs), rw);
if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))
- ret = ext4_ext_direct_IO(rw, iocb, iter->iov, offset, iter->nr_segs);
+ ret = ext4_ext_direct_IO(rw, iocb, iter, offset);
else
- ret = ext4_ind_direct_IO(rw, iocb, iter->iov, offset, iter->nr_segs);
+ ret = ext4_ind_direct_IO(rw, iocb, iter, offset);
trace_ext4_direct_IO_exit(inode, offset,
iov_length(iter->iov, iter->nr_segs), rw, ret);
return ret;