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).
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