Re: [PATCH RFC md-6.16 v3 19/19] md/md-llbitmap: add Kconfig

[Yu Kuai]

Hi,

在 2025/05/12 13:19, Christoph Hellwig 写道:

On Mon, May 12, 2025 at 09:19:27AM +0800, Yu Kuai wrote:

+config MD_LLBITMAP
+       bool "MD RAID lockless bitmap support"
+       default n

n is the default default.

diff --git a/drivers/md/md-bitmap.h b/drivers/md/md-bitmap.h
index 4e27f5f793b7..dd23b6fedb70 100644
--- a/drivers/md/md-bitmap.h
+++ b/drivers/md/md-bitmap.h
@@ -22,6 +22,9 @@ typedef __u16 bitmap_counter_t;
  enum bitmap_state {
        BITMAP_STALE       = 1,  /* the bitmap file is out of date or had -EIO 
*/
        BITMAP_WRITE_ERROR = 2, /* A write error has occurred */
+       BITMAP_FIRST_USE   = 3, /* llbitmap is just created */
+       BITMAP_CLEAN       = 4, /* llbitmap is created with assume_clean */
+       BITMAP_DAEMON_BUSY = 5, /* llbitmap daemon is not finished after 
daemon_sleep */

This should go into patches very early in the series, before the code
referencing them.

Ok, I'll fold them with the new patch to move some values to md-bitmap.h
in the next version.

Thanks,
Kuai

.