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bcachefs: thread_with_stdio: Mark completed in ->release()

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This fixes stdio_redirect_read() getting stuck, not noticing that the
pipe has been closed.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2024-02-08 20:27:06 -05:00
parent 032b3fd057
commit 8f9320d3a3
1 changed files with 10 additions and 4 deletions
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14
fs/bcachefs/thread_with_file.c
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@ -97,6 +97,14 @@ static void stdio_buf_init(struct stdio_buf *buf)
/* thread_with_stdio */
static void thread_with_stdio_done(struct thread_with_stdio *thr)
{
thr->thr.done = true;
thr->stdio.done = true;
wake_up(&thr->stdio.input.wait);
wake_up(&thr->stdio.output.wait);
}
static ssize_t thread_with_stdio_read(struct file *file, char __user *ubuf,
size_t len, loff_t *ppos)
{
@ -142,6 +150,7 @@ static int thread_with_stdio_release(struct inode *inode, struct file *file)
struct thread_with_stdio *thr =
container_of(file->private_data, struct thread_with_stdio, thr);
thread_with_stdio_done(thr);
bch2_thread_with_file_exit(&thr->thr);
darray_exit(&thr->stdio.input.buf);
darray_exit(&thr->stdio.output.buf);
@ -235,10 +244,7 @@ static int thread_with_stdio_fn(void *arg)
thr->fn(thr);
thr->thr.done = true;
thr->stdio.done = true;
wake_up(&thr->stdio.input.wait);
wake_up(&thr->stdio.output.wait);
thread_with_stdio_done(thr);
return 0;
}