From: Tejun Heo <htejun@gmail.com>
Date: Wed, 13 Jun 2007 18:45:16 +0000 (+0900)
Subject: sysfs: reimplement sysfs_drop_dentry()
X-Git-Tag: v2.6.23-rc1~1107^2~23
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dbde0fcf9f8f6d477af3c32d9979e789ee680cde;p=pandora-kernel.git

sysfs: reimplement sysfs_drop_dentry()

This patch reimplements sysfs_drop_dentry() such that remove_dir() can
use it to drop dentry instead of using a separate mechanism.  With
this change, making directories reclaimable is much easier.

This patch used to contain fixes for two race conditions around
sd->s_dentry but that part has been separated out and included into
mainline early as commit 6aa054aadfea613a437ad0b15d38eca2b963fc0a and
dd14cbc994709a1c5a64ed3621f583c49a27e521.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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