On Fri, Feb 23, 2024 at 4:11 AM Heming Zhao <heming.zhao@xxxxxxxx> wrote:
>
> Commit d7038f951828 ("md-bitmap: don't use ->index for pages backing the
> bitmap file") removed page->index from bitmap code, but left wrong code
> logic for clustered-md. current code never set slot offset for cluster
> nodes, will sometimes cause crash in clustered env.
>
> Call trace (partly):
> md_bitmap_file_set_bit+0x110/0x1d8 [md_mod]
> md_bitmap_startwrite+0x13c/0x240 [md_mod]
> raid1_make_request+0x6b0/0x1c08 [raid1]
> md_handle_request+0x1dc/0x368 [md_mod]
> md_submit_bio+0x80/0xf8 [md_mod]
> __submit_bio+0x178/0x300
> submit_bio_noacct_nocheck+0x11c/0x338
> submit_bio_noacct+0x134/0x614
> submit_bio+0x28/0xdc
> submit_bh_wbc+0x130/0x1cc
> submit_bh+0x1c/0x28
>
> Fixes: d7038f951828 ("md-bitmap: don't use ->index for pages backing the bitmap file")
> Signed-off-by: Heming Zhao <heming.zhao@xxxxxxxx>
Applied to md-6.9 branch.
Thanks,
Song
