Re: [PATCH] xfs: don't hold buffer locks across sync transaction commit in xfs_sync_sb_buf

[Carlos Maiolino]

On Mon, 13 Jul 2026 22:50:02 +0800, Yun Zhou wrote:
> xfs_sync_sb_buf() holds sb/rtsb buffer locks across a synchronous
> xfs_trans_commit(), which flushes the CIL push workqueue internally.
> If shutdown occurs during the CIL push, xfs_buf_item_unpin() needs to
> lock these buffers to fail them, causing a deadlock:
> 
>   setlabel:          holds buf lock -> flush_workqueue(xfs-cil)
>   CIL push worker:   xfs_buf_item_unpin -> xfs_buf_lock(same buf)
> 
> [...]

Applied to for-next, thanks!

[1/1] xfs: don't hold buffer locks across sync transaction commit in xfs_sync_sb_buf
      commit: b9ad0b9891dd0ddbfd8d9bfc7a55b0b70e9871f2

Best regards,
-- 
Carlos Maiolino <cem@xxxxxxxxxx>