Re: sysfs reclaim crash

From: Maneesh Soni
Date: Tue Mar 27 2007 - 14:49:28 EST


On Tue, Mar 27, 2007 at 11:27:14AM -0700, Ethan Solomita wrote:
> Hi Maneesh -- I will start testing with the patch you provided. If
> you come up with any further issues please let me know. Also, if you could
> suggest some additional BUG() lines that I could insert I would
> appreciate it. Since the bug is hard to reproduce, it may be easier to
> catch a race condition in the making via BUG() than an actual failure
> due to a race condition.
>

Hi Ethan,

Thanks for testing. The BUG_ON in sysfs_d_iput() is still there to catch
the first race we saw. And the second one should not occur as now we are not
using the s_dentry in sysfs_readdir().

Regards,
Maneesh

--
Maneesh Soni
Linux Technology Center,
IBM India Systems and Technology Lab,
Bangalore, India
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