Re: Writeback is still screwed in 3.7.1

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On Monday 2013-01-14 09:50, Sedat Dilek wrote:
>On Mon, Jan 14, 2013 at 1:10 AM, Jan Engelhardt <jengelh@xxxxxxx> wrote:
>>
>> I thought these were fixed, but I just got one on 3.7.1 on x86_64.
>>
>> [648141.344931] INFO: task sync:10395 blocked for more than 480 seconds.
>> [648141.344969]  [<ffffffff813ebc8b>] schedule_timeout+0x1c/0xf7
>> [648141.344975]  [<ffffffff813ec714>] wait_for_common+0x9a/0x115
>> [648141.344982]  [<ffffffff8112ee60>] sync_inodes_sb+0xaa/0x18c
>> [648141.344988]  [<ffffffff811125ee>] iterate_supers+0x63/0xb4
>> [648141.344993]  [<ffffffff81131fdc>] sys_sync+0x2e/0x81
>> [648141.344999]  [<ffffffff813f39ed>] system_call_fastpath+0x1a/0x1f
>> [648141.345025]  [<00007f85ffdef117>] 0x7f85ffdef116
>>
>Can you test w/ Linux v3.7.2?
>
>Not sure but this sounds like a fix for your problem:
>commit 9359dd031b11100a3532ef7bfc04f2fc7f23c33b
>"mm: fix calculation of dirtyable memory"

It seems to be resolved in 3.7.2 and subsequent releases, thank you.

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