Re: recent bdi changes result in WARN_ON on luksClose / dm

[Sebastian Andrzej Siewior]

* Jens Axboe | 2009-09-12 21:58:40 [+0200]:

>Don't count this as a real fix, I'll investigate closer on monday. Does
>the warning go away with this hack? It'll ensure that pending dirty
>inodes are flushed.

That warning goes away but another pops up:

|------------[ cut here ]------------
|WARNING: at /home/bigeasy/git/cryptodev-2.6/fs/fs-writeback.c:504 writeback_inodes_wb+0x2cc/0x49c()
|Modules linked in: sha256_generic cbc dm_crypt
|[<c0028dd8>] (unwind_backtrace+0x0/0xdc) from [<c003adb0>] (warn_slowpath_common+0x4c/0x80)
|[<c003adb0>] (warn_slowpath_common+0x4c/0x80) from [<c00b0998>] (writeback_inodes_wb+0x2cc/0x49c)
|[<c00b0998>] (writeback_inodes_wb+0x2cc/0x49c) from [<c00b0c98>] (wb_writeback+0x130/0x180)
|[<c00b0c98>] (wb_writeback+0x130/0x180) from [<c00b10f8>] (wb_do_writeback+0x7c/0x1d0)
|[<c00b10f8>] (wb_do_writeback+0x7c/0x1d0) from [<c00b1284>] (bdi_writeback_task+0x38/0xb0)
|[<c00b1284>] (bdi_writeback_task+0x38/0xb0) from [<c007f788>] (bdi_start_fn+0x74/0xe0)
|[<c007f788>] (bdi_start_fn+0x74/0xe0) from [<c004f2cc>] (kthread+0x7c/0x84)
|[<c004f2cc>] (kthread+0x7c/0x84) from [<c0024858>] (kernel_thread_exit+0x0/0x8)
|---[ end trace e1f395241bdb07ff ]---

Sebastian
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