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Date: Fri, 27 Apr 2007 02:33:33 +0900 From: Tejun Heo <htejun@...il.com> To: Miles Lane <miles.lane@...il.com> CC: Andrew Morton <akpm@...l.org>, LKML <linux-kernel@...r.kernel.org>, greg@...ah.com Subject: Re: [PATCH] sysfs: use different lockdep subclass for s_active deactivation Miles Lane wrote: > On 4/26/07, Tejun Heo <htejun@...il.com> 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 <htejun@...il.com> >> --- >> 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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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