diff options
| author |   Jeff Mahoney <jeffm@suse.com> | 2006-06-26 00:27:19 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-26 09:58:34 -0700 |
| commit | 5806f07cd2c32920d5105e0f9ff3117338f34eec (patch) | |
| tree | 65242ea629a19308656a3090fee6b513dfa0f723 /include/linux/idr.h | |
| parent | [PATCH] dm snapshot: unify chunk_size (diff) | |
| download | linux-dev-5806f07cd2c32920d5105e0f9ff3117338f34eec.tar.xz linux-dev-5806f07cd2c32920d5105e0f9ff3117338f34eec.zip | |
[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>
Diffstat (limited to 'include/linux/idr.h')
| -rw-r--r-- | include/linux/idr.h | 1 |
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); |