Re: [PATCH v2] ext4: clear stale xarray tags on folios skipped during writeback
"Theodore Ts'o" <[email protected]>
| Newsgroups | org.kernel.vger.linux-ext4 |
|---|---|
| Message-ID | <178481171740.796182.14497370066206720502.b4-ty@b4> |
On Fri, 26 Jun 2026 00:01:23 +0800, Gerald Yang wrote:
> In data=journal mode, the writeback thread can hit the
> WARN_ON_ONCE(sb_rdonly(sb)) in ext4_journal_check_start() while the
> superblock is being remounted read-only during reboot:
>
> Workqueue: writeback wb_workfn (flush-253:0)
> RIP: 0010:ext4_journal_check_start+0x8b/0xd0
> Call Trace:
> __ext4_journal_start_sb+0x3c/0x1e0
> mpage_prepare_extent_to_map+0x4af/0x580
> ext4_do_writepages+0x3c0/0x1080
> ext4_writepages+0xc8/0x1a0
> do_writepages+0xc4/0x180
> __writeback_single_inode+0x45/0x2f0
> writeback_sb_inodes+0x26b/0x5d0
> __writeback_inodes_wb+0x54/0x100
> wb_writeback+0x1ac/0x320
> wb_workfn+0x394/0x470
>
> [...]
Applied, thanks!
[1/1] ext4: clear stale xarray tags on folios skipped during writeback
commit: ec524aae479b4b2078c47492b90ec21200bce434
Best regards,
--
Theodore Ts'o <[email protected]>