Re: [PATCH v3] f2fs: wait for inode record work before clearing ino bitmaps

[Chao Yu <chao@kernel.org>]

On 9/2/26 17:06, Wenjie Qi wrote:
> APPEND/UPDATE inode state recording was moved to the inode eviction
> workqueue. These entries were later converted to bitmap values stored in
> XArrays, but the workqueue drain was left behind in the list cleanup loop
> where it is now a no-op.
> 
> During unmount, inode eviction work can therefore remain queued when
> f2fs_release_ino_entry() destroys the bitmap XArrays. A delayed worker can
> repopulate them before the workqueue is finally destroyed, leaking newly
> allocated XArray nodes when the F2FS superblock is freed.
> 
> Wait for APPEND/UPDATE inode record work before destroying each bitmap
> XArray, restoring the required ordering.
> 
> Fixes: 9a9ee7408a1f ("f2fs: reduce memory footprint of ino management")
> Signed-off-by: Wenjie Qi <qiwenjie@xiaomi.com>
Reviewed-by: Chao Yu <chao@kernel.org>

Thanks,