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| author | Al Viro <viro@zeniv.linux.org.uk> | 2015-04-04 03:53:39 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2015-04-12 04:29:41 +0200 |
| commit | fbdbacca6153101f85cbc4ad8eb19bf0dde6a5cc (patch) | |
| tree | e0e9125dc70ad6012f706f1b6ef8b311ad9ba1f7 | |
| parent | switch drivers/char/mem.c to ->read_iter/->write_iter (diff) | |
| download | linux-fbdbacca6153101f85cbc4ad8eb19bf0dde6a5cc.tar.xz linux-fbdbacca6153101f85cbc4ad8eb19bf0dde6a5cc.zip | |
fuse: switch to ->read_iter/->write_iter
we just change the calling conventions here; more work to follow.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | fs/fuse/dev.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index 95a2797eef66..89bf9df2d7ff 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -1363,8 +1363,7 @@ static int fuse_dev_open(struct inode *inode, struct file *file) return 0; } -static ssize_t fuse_dev_read(struct kiocb *iocb, const struct iovec *iov, - unsigned long nr_segs, loff_t pos) +static ssize_t fuse_dev_read(struct kiocb *iocb, struct iov_iter *to) { struct fuse_copy_state cs; struct file *file = iocb->ki_filp; @@ -1372,9 +1371,12 @@ static ssize_t fuse_dev_read(struct kiocb *iocb, const struct iovec *iov, if (!fc) return -EPERM; - fuse_copy_init(&cs, fc, 1, iov, nr_segs); + if (!iter_is_iovec(to)) + return -EINVAL; + + fuse_copy_init(&cs, fc, 1, to->iov, to->nr_segs); - return fuse_dev_do_read(fc, file, &cs, iov_length(iov, nr_segs)); + return fuse_dev_do_read(fc, file, &cs, iov_iter_count(to)); } static ssize_t fuse_dev_splice_read(struct file *in, loff_t *ppos, @@ -1970,17 +1972,19 @@ static ssize_t fuse_dev_do_write(struct fuse_conn *fc, return err; } -static ssize_t fuse_dev_write(struct kiocb *iocb, const struct iovec *iov, - unsigned long nr_segs, loff_t pos) +static ssize_t fuse_dev_write(struct kiocb *iocb, struct iov_iter *from) { struct fuse_copy_state cs; struct fuse_conn *fc = fuse_get_conn(iocb->ki_filp); if (!fc) return -EPERM; - fuse_copy_init(&cs, fc, 0, iov, nr_segs); + if (!iter_is_iovec(from)) + return -EINVAL; + + fuse_copy_init(&cs, fc, 0, from->iov, from->nr_segs); - return fuse_dev_do_write(fc, &cs, iov_length(iov, nr_segs)); + return fuse_dev_do_write(fc, &cs, iov_iter_count(from)); } static ssize_t fuse_dev_splice_write(struct pipe_inode_info *pipe, @@ -2232,11 +2236,9 @@ const struct file_operations fuse_dev_operations = { .owner = THIS_MODULE, .open = fuse_dev_open, .llseek = no_llseek, - .read = do_sync_read, - .aio_read = fuse_dev_read, + .read_iter = fuse_dev_read, .splice_read = fuse_dev_splice_read, - .write = do_sync_write, - .aio_write = fuse_dev_write, + .write_iter = fuse_dev_write, .splice_write = fuse_dev_splice_write, .poll = fuse_dev_poll, .release = fuse_dev_release, |