#include <linux/namei.h>
#include <linux/log2.h>
#include <linux/cleancache.h>
-#include <linux/aio.h>
#include <asm/uaccess.h>
#include "internal.h"
}
static ssize_t
-blkdev_direct_IO(int rw, struct kiocb *iocb, struct iov_iter *iter,
- loff_t offset)
+blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, loff_t offset)
{
struct file *file = iocb->ki_filp;
struct inode *inode = file->f_mapping->host;
- return __blockdev_direct_IO(rw, iocb, inode, I_BDEV(inode), iter,
- offset, blkdev_get_block,
- NULL, NULL, 0);
+ return __blockdev_direct_IO(iocb, inode, I_BDEV(inode), iter, offset,
+ blkdev_get_block, NULL, NULL, 0);
}
int __sync_blockdev(struct block_device *bdev, int wait)
struct file *file = iocb->ki_filp;
struct blk_plug plug;
ssize_t ret;
+ size_t count = iov_iter_count(from);
+
+ ret = generic_write_checks(file, &iocb->ki_pos, &count, 1);
+ if (ret)
+ return ret;
+
+ if (count == 0)
+ return 0;
+
+ iov_iter_truncate(from, count);
blk_start_plug(&plug);
ret = __generic_file_write_iter(iocb, from);
.open = blkdev_open,
.release = blkdev_close,
.llseek = block_llseek,
- .read = new_sync_read,
- .write = new_sync_write,
.read_iter = blkdev_read_iter,
.write_iter = blkdev_write_iter,
.mmap = generic_file_mmap,