diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/block_dev.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c index b140badb8184..3d97f4a257ff 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -1532,23 +1532,19 @@ ssize_t blkdev_aio_write(struct kiocb *iocb, const struct iovec *iov, } EXPORT_SYMBOL_GPL(blkdev_aio_write); -static ssize_t blkdev_aio_read(struct kiocb *iocb, const struct iovec *iov, - unsigned long nr_segs, loff_t pos) +static ssize_t blkdev_read_iter(struct kiocb *iocb, struct iov_iter *to) { struct file *file = iocb->ki_filp; struct inode *bd_inode = file->f_mapping->host; loff_t size = i_size_read(bd_inode); - size_t count = iocb->ki_nbytes; - struct iov_iter to; - - iov_iter_init(&to, READ, iov, nr_segs, count); + loff_t pos = iocb->ki_pos; if (pos >= size) return 0; size -= pos; - iov_iter_truncate(&to, size); - return generic_file_read_iter(iocb, &to); + iov_iter_truncate(to, size); + return generic_file_read_iter(iocb, to); } /* @@ -1580,9 +1576,9 @@ const struct file_operations def_blk_fops = { .open = blkdev_open, .release = blkdev_close, .llseek = block_llseek, - .read = do_sync_read, + .read = new_sync_read, .write = do_sync_write, - .aio_read = blkdev_aio_read, + .read_iter = blkdev_read_iter, .aio_write = blkdev_aio_write, .mmap = generic_file_mmap, .fsync = blkdev_fsync, |