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authorKristian Hoegsberg <krh@redhat.com>2007-07-15 23:37:24 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-16 09:05:34 -0700
commit23936cc0b5d89619c34c2dab11d8cf3d6f7ca028 (patch)
tree506ec36cc37d3bc7dbf0ca68d1b271f9247fa458 /include/linux/idr.h
parent96d7fa421e6424ad9ef6d1d039375dc2edb63fe8 (diff)
downloadop-kernel-dev-23936cc0b5d89619c34c2dab11d8cf3d6f7ca028.zip
op-kernel-dev-23936cc0b5d89619c34c2dab11d8cf3d6f7ca028.tar.gz
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>
Diffstat (limited to 'include/linux/idr.h')
-rw-r--r--include/linux/idr.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/idr.h b/include/linux/idr.h
index 8442c0b..0edda41 100644
--- a/include/linux/idr.h
+++ b/include/linux/idr.h
@@ -82,6 +82,7 @@ int idr_for_each(struct idr *idp,
int (*fn)(int id, void *p, void *data), void *data);
void *idr_replace(struct idr *idp, void *ptr, int id);
void idr_remove(struct idr *idp, int id);
+void idr_remove_all(struct idr *idp);
void idr_destroy(struct idr *idp);
void idr_init(struct idr *idp);
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