Miles Lane wrote:
> On 4/26/07, Tejun Heo <[email protected]> wrote:
>> A sysfs node can delete other sysfs files when accessed. This results
>> in recursive s_active locking - read lock for file access, down lock
>> of the vicitim for deactivation. Tell lockdep that it's okay.
>>
>> Signed-off-by: Tejun Heo <[email protected]>
>> ---
>> Miles, please test this patch. It should remove the lockdep warning.
>> Fixes for the other two problems will soon follow.
>>
>> Greg, Andrew, after all the fixes are verified, I'll merge the fixes
>> into the original patches and resend all the sysfs updates in better
>> shape. Sorry about all the trouble.
>
> Should I test this with 2.6.21-rc7-mm2?
> It doesn't apply cleanly.
>
> # patch -p1 -l --dry-run < tejun.patch
> patching file fs/sysfs/dir.c
> Hunk #1 succeeded at 31 with fuzz 1 (offset -29 lines).
> patching file fs/sysfs/sysfs.h
> Hunk #1 succeeded at 40 (offset -1 lines).
> Hunk #2 succeeded at 182 with fuzz 1 (offset -1 lines).
It's in the middle of gregkh patch series but you can safely ignore the
fuzzes.
--
tejun
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