From: Kristian Hoegsberg <krh@redhat.com>
Date: Mon, 16 Jul 2007 06:37:24 +0000 (-0700)
Subject: lib: add idr_remove_all
X-Git-Tag: v2.6.23-rc1~1044
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=23936cc0b5d89619c34c2dab11d8cf3d6f7ca028;p=pandora-kernel.git

lib: add idr_remove_all

Remove all ids from the given idr tree.  idr_destroy() only frees up
unused, cached idp_layers, but this function will remove all id mappings
and leave all idp_layers unused.

A typical clean-up sequence for objects stored in an idr tree, will use
idr_for_each() to free all objects, if necessay, then idr_remove_all() to
remove all ids, and idr_destroy() to free up the cached idr_layers.

Signed-off-by: Kristian Hoegsberg <krh@redhat.com>
Cc: Tejun Heo <htejun@gmail.com>
Cc: Dave Airlie <airlied@linux.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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