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| author | Al Viro <viro@zeniv.linux.org.uk> | 2014-04-03 03:21:50 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2014-05-06 17:38:01 -0400 |
| commit | 1456c0a87c4241d3a801651019e66983c69ad17d (patch) | |
| tree | 2e475b88151d625d22967324e6310ff4309ef731 | |
| parent | 8174202b34c30e0c07231bf63f18ab29af634f0b (diff) | |
| download | linux-1456c0a87c4241d3a801651019e66983c69ad17d.tar.bz2 | |
blkdev_aio_write() - turn into blkdev_write_iter()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | drivers/char/raw.c | 4 | ||||
| -rw-r--r-- | fs/block_dev.c | 16 | ||||
| -rw-r--r-- | include/linux/fs.h | 3 |
3 files changed, 9 insertions, 14 deletions
diff --git a/drivers/char/raw.c b/drivers/char/raw.c index cfb607a64b85..0102dc788608 100644 --- a/drivers/char/raw.c +++ b/drivers/char/raw.c @@ -286,8 +286,8 @@ static long raw_ctl_compat_ioctl(struct file *file, unsigned int cmd, static const struct file_operations raw_fops = { .read = new_sync_read, .read_iter = generic_file_read_iter, - .write = do_sync_write, - .aio_write = blkdev_aio_write, + .write = new_sync_write, + .write_iter = blkdev_write_iter, .fsync = blkdev_fsync, .open = raw_open, .release = raw_release, diff --git a/fs/block_dev.c b/fs/block_dev.c index 3d97f4a257ff..4e36b8ea8aa4 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -1509,28 +1509,24 @@ static long block_ioctl(struct file *file, unsigned cmd, unsigned long arg) * Does not take i_mutex for the write and thus is not for general purpose * use. */ -ssize_t blkdev_aio_write(struct kiocb *iocb, const struct iovec *iov, - unsigned long nr_segs, loff_t pos) +ssize_t blkdev_write_iter(struct kiocb *iocb, struct iov_iter *from) { struct file *file = iocb->ki_filp; struct blk_plug plug; ssize_t ret; - BUG_ON(iocb->ki_pos != pos); - blk_start_plug(&plug); - ret = __generic_file_aio_write(iocb, iov, nr_segs); + ret = __generic_file_write_iter(iocb, from); if (ret > 0) { ssize_t err; - - err = generic_write_sync(file, pos, ret); + err = generic_write_sync(file, iocb->ki_pos - ret, ret); if (err < 0) ret = err; } blk_finish_plug(&plug); return ret; } -EXPORT_SYMBOL_GPL(blkdev_aio_write); +EXPORT_SYMBOL_GPL(blkdev_write_iter); static ssize_t blkdev_read_iter(struct kiocb *iocb, struct iov_iter *to) { @@ -1577,9 +1573,9 @@ const struct file_operations def_blk_fops = { .release = blkdev_close, .llseek = block_llseek, .read = new_sync_read, - .write = do_sync_write, + .write = new_sync_write, .read_iter = blkdev_read_iter, - .aio_write = blkdev_aio_write, + .write_iter = blkdev_write_iter, .mmap = generic_file_mmap, .fsync = blkdev_fsync, .unlocked_ioctl = block_ioctl, diff --git a/include/linux/fs.h b/include/linux/fs.h index 4b221637f09e..1b9b6c59abdd 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2425,8 +2425,7 @@ extern ssize_t new_sync_read(struct file *filp, char __user *buf, size_t len, lo extern ssize_t new_sync_write(struct file *filp, const char __user *buf, size_t len, loff_t *ppos); /* fs/block_dev.c */ -extern ssize_t blkdev_aio_write(struct kiocb *iocb, const struct iovec *iov, - unsigned long nr_segs, loff_t pos); +extern ssize_t blkdev_write_iter(struct kiocb *iocb, struct iov_iter *from); extern int blkdev_fsync(struct file *filp, loff_t start, loff_t end, int datasync); extern void block_sync_page(struct page *page); |