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bcachefs: thread_with_file: allow ioctls against these files

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Make it so that a thread_with_stdio user can handle ioctls against the
file descriptor.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Darrick J. Wong 2024-02-10 11:32:20 -08:00 committed by Kent Overstreet
parent ab6752e24e
commit 658a1e42ce
2 changed files with 13 additions and 0 deletions
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12
fs/bcachefs/thread_with_file.c
View File

@ -247,12 +247,23 @@ static __poll_t thread_with_stdout_poll(struct file *file, struct poll_table_str
return mask;
}
static long thread_with_stdio_ioctl(struct file *file, unsigned int cmd, unsigned long p)
{
struct thread_with_stdio *thr =
container_of(file->private_data, struct thread_with_stdio, thr);
if (thr->ops->unlocked_ioctl)
return thr->ops->unlocked_ioctl(thr, cmd, p);
return -ENOTTY;
}
static const struct file_operations thread_with_stdio_fops = {
.llseek = no_llseek,
.read = thread_with_stdio_read,
.write = thread_with_stdio_write,
.poll = thread_with_stdio_poll,
.release = thread_with_stdio_release,
.unlocked_ioctl = thread_with_stdio_ioctl,
};
static const struct file_operations thread_with_stdout_fops = {
@ -260,6 +271,7 @@ static const struct file_operations thread_with_stdout_fops = {
.read = thread_with_stdio_read,
.poll = thread_with_stdout_poll,
.release = thread_with_stdio_release,
.unlocked_ioctl = thread_with_stdio_ioctl,
};
static int thread_with_stdio_fn(void *arg)

1
fs/bcachefs/thread_with_file.h
View File

@ -54,6 +54,7 @@ struct thread_with_stdio;
struct thread_with_stdio_ops {
void (*exit)(struct thread_with_stdio *);
void (*fn)(struct thread_with_stdio *);
long (*unlocked_ioctl)(struct thread_with_stdio *, unsigned int, unsigned long);
};
struct thread_with_stdio {