diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-06-21 06:27:40 -1000 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-06-21 06:27:40 -1000 |
| commit | 7ecba6f2f3f6e862287e07908ba583199c7772a9 (patch) | |
| tree | 538719bb3395752dc1e1feba2bca94ee49c3a50e | |
| parent | a3d5c3460a86f52ea435b3fb98be112bd18faabc (diff) | |
| parent | 3a96d5cd7bdce45d5dded75c3a62d4fb98050280 (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
Pull Ceph fix from Sage Weil:
"This fixes a problem preventing the kernel and userland librbd
libraries from sharing data with the new format 2 images"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
rbd: use the correct length for format 2 object names
| -rw-r--r-- | drivers/block/rbd.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 3063452e55da..49394e3f31bc 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -1036,12 +1036,16 @@ static const char *rbd_segment_name(struct rbd_device *rbd_dev, u64 offset) char *name; u64 segment; int ret; + char *name_format; name = kmem_cache_alloc(rbd_segment_name_cache, GFP_NOIO); if (!name) return NULL; segment = offset >> rbd_dev->header.obj_order; - ret = snprintf(name, MAX_OBJ_NAME_SIZE + 1, "%s.%012llx", + name_format = "%s.%012llx"; + if (rbd_dev->image_format == 2) + name_format = "%s.%016llx"; + ret = snprintf(name, MAX_OBJ_NAME_SIZE + 1, name_format, rbd_dev->header.object_prefix, segment); if (ret < 0 || ret > MAX_OBJ_NAME_SIZE) { pr_err("error formatting segment name for #%llu (%d)\n", |