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authorJeff Mahoney <jeffm@suse.com>2006-06-26 00:27:19 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2006-09-08 20:23:01 -0700
commit722cc750d76f384c5b881a1dad7e1e12c5d7fb79 (patch)
treed8bb9c9e72baaa9aeb2a8273038e9092fa4aa0e1 /include/linux/idr.h
parent386986a5c2f0d5bd4a9b184f9093391a581bf601 (diff)
[PATCH] lib: add idr_replace
This patch adds idr_replace() to replace an existing pointer in a single operation. Device-mapper will use this to update the pointer it stored against a given id. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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 d37c8d808b0f..f559a719dbe8 100644
--- a/include/linux/idr.h
+++ b/include/linux/idr.h
@@ -78,6 +78,7 @@ void *idr_find(struct idr *idp, int id);
int idr_pre_get(struct idr *idp, gfp_t gfp_mask);
int idr_get_new(struct idr *idp, void *ptr, int *id);
int idr_get_new_above(struct idr *idp, void *ptr, int starting_id, int *id);
+void *idr_replace(struct idr *idp, void *ptr, int id);
void idr_remove(struct idr *idp, int id);
void idr_destroy(struct idr *idp);
void idr_init(struct idr *idp);