Unverified Commit 1197867a authored by Matthew Wilcox (Oracle)'s avatar Matthew Wilcox (Oracle) Committed by Christian Brauner
Browse files

watch_queue: Use page->private instead of page->index 



We are attempting to eliminate page->index, so use page->private
instead.

Signed-off-by: default avatarMatthew Wilcox (Oracle) <willy@infradead.org>
Link: https://lore.kernel.org/r/20241125175443.2911738-1-willy@infradead.org


Signed-off-by: default avatarChristian Brauner <brauner@kernel.org>
parent d727935c

kernel/watch_queue.c

+2 −2
Original line number Diff line number Diff line
@@ -71,7 +71,7 @@ static void watch_queue_pipe_buf_release(struct pipe_inode_info *pipe, 
	bit /= WATCH_QUEUE_NOTE_SIZE;



	page = buf->page;

	bit += page->index;

	bit += page->private;



	set_bit(bit, wqueue->notes_bitmap);

	generic_pipe_buf_release(pipe, buf);
@@ -278,7 +278,7 @@ long watch_queue_set_size(struct pipe_inode_info *pipe, unsigned int nr_notes) 
		pages[i] = alloc_page(GFP_KERNEL);

		if (!pages[i])

			goto error_p;

		pages[i]->index = i * WATCH_QUEUE_NOTES_PER_PAGE;

		pages[i]->private = i * WATCH_QUEUE_NOTES_PER_PAGE;

	}



	bitmap = bitmap_alloc(nr_notes, GFP_KERNEL);