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| author | Al Viro <viro@zeniv.linux.org.uk> | 2022-05-22 16:55:40 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2022-08-08 22:37:15 -0400 |
| commit | 3e20a751aff0e099cff496511fef8cdf655b3360 (patch) | |
| tree | f7d10dd5cc35b5e9f917b542fa860dc6ff6a45fd /fs/read_write.c | |
| parent | fcb14cb1bdacec5b4374fe161e83fb8208164a85 (diff) | |
| download | lwn-3e20a751aff0e099cff496511fef8cdf655b3360.tar.gz lwn-3e20a751aff0e099cff496511fef8cdf655b3360.zip | |
switch new_sync_{read,write}() to ITER_UBUF
Reviewed-by: Christian Brauner (Microsoft) <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/read_write.c')
| -rw-r--r-- | fs/read_write.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/fs/read_write.c b/fs/read_write.c index ea59dd0095c2..1a261dcf1778 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -378,14 +378,13 @@ EXPORT_SYMBOL(rw_verify_area); static ssize_t new_sync_read(struct file *filp, char __user *buf, size_t len, loff_t *ppos) { - struct iovec iov = { .iov_base = buf, .iov_len = len }; struct kiocb kiocb; struct iov_iter iter; ssize_t ret; init_sync_kiocb(&kiocb, filp); kiocb.ki_pos = (ppos ? *ppos : 0); - iov_iter_init(&iter, READ, &iov, 1, len); + iov_iter_ubuf(&iter, READ, buf, len); ret = call_read_iter(filp, &kiocb, &iter); BUG_ON(ret == -EIOCBQUEUED); @@ -481,14 +480,13 @@ ssize_t vfs_read(struct file *file, char __user *buf, size_t count, loff_t *pos) static ssize_t new_sync_write(struct file *filp, const char __user *buf, size_t len, loff_t *ppos) { - struct iovec iov = { .iov_base = (void __user *)buf, .iov_len = len }; struct kiocb kiocb; struct iov_iter iter; ssize_t ret; init_sync_kiocb(&kiocb, filp); kiocb.ki_pos = (ppos ? *ppos : 0); - iov_iter_init(&iter, WRITE, &iov, 1, len); + iov_iter_ubuf(&iter, WRITE, (void __user *)buf, len); ret = call_write_iter(filp, &kiocb, &iter); BUG_ON(ret == -EIOCBQUEUED); |