[Ocfs2-devel] [V4]fix ocfs2 aio/dio writing process hang

[Junxiao Bi <junxiao.bi@oracle.com>]

On 06/28/2012 04:34 PM, Joel Becker wrote:
> Btw, do you want me to pull these through the ocfs2 tree, or are you
> sending them along yourself?
Please help pull these, great thanks.
>
> Joel
>
> On Wed, Jun 27, 2012 at 05:09:53PM +0800, Junxiao Bi wrote:
>> V4 changes:
>> add Acked-by: Joel Becker <jlbec@evilplan.org>
>>
>> V3 changes:
>> - add Cc: stable at vger.kernel.org in the patch header to align with stable rules
>> - add Acked-by: Jeff Moyer <jmoyer@redhat.com>
>>
>> V2 changes:
>> - update the patch header of the first patch to make it more clear.
>>
>>
>> This patch list fixes an issue about ocfs2 aio/dio write process hang.
>> The call trace is like this:
>> @  cat /proc/15913/stack
>> @ [<ffffffffa06e1085>] ocfs2_aiodio_wait+0x85/0xc0 [ocfs2]
>> @ [<ffffffffa06e3e39>] ocfs2_file_aio_write+0x99/0xa0 [ocfs2]
>> @ [<ffffffff811ace97>] aio_rw_vect_retry+0x87/0x150
>> @ [<ffffffff811aebd1>] aio_run_iocb+0x71/0x170
>> @ [<ffffffff811af59b>] io_submit_one+0x1ab/0x280
>> @ [<ffffffff811af77c>] do_io_submit+0x10c/0x1c0
>> @ [<ffffffff811af840>] sys_io_submit+0x10/0x20
>> @ [<ffffffff81509b42>] system_call_fastpath+0x16/0x1b
>> @ [<ffffffffffffffff>] 0xffffffffffffffff
>> --
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