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| author | Alex Elder <elder@inktank.com> | 2013-04-02 03:58:26 +0400 |
|---|---|---|
| committer | Sage Weil <sage@inktank.com> | 2013-05-02 08:17:52 +0400 |
| commit | ef4859d6479d19bcc65c3156cf3b7dd747355c29 (patch) | |
| tree | 83a977e35c7dd32834d707f93173c1e00da06384 /include/linux/ceph/osdmap.h | |
| parent | 8058fd45039724695d5b67a574544452635d64a9 (diff) | |
| download | linux-ef4859d6479d19bcc65c3156cf3b7dd747355c29.tar.xz | |
libceph: define ceph_decode_pgid() only once
There are two basically identical definitions of __decode_pgid()
in libceph, one in "net/ceph/osdmap.c" and the other in
"net/ceph/osd_client.c". Get rid of both, and instead define
a single inline version in "include/linux/ceph/osdmap.h".
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
Diffstat (limited to 'include/linux/ceph/osdmap.h')
| -rw-r--r-- | include/linux/ceph/osdmap.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/linux/ceph/osdmap.h b/include/linux/ceph/osdmap.h index 167daf60c4e8..d05cc4451af6 100644 --- a/include/linux/ceph/osdmap.h +++ b/include/linux/ceph/osdmap.h @@ -3,6 +3,7 @@ #include <linux/rbtree.h> #include <linux/ceph/types.h> +#include <linux/ceph/decode.h> #include <linux/ceph/ceph_fs.h> #include <linux/crush/crush.h> @@ -119,6 +120,29 @@ static inline struct ceph_entity_addr *ceph_osd_addr(struct ceph_osdmap *map, return &map->osd_addr[osd]; } +static inline int ceph_decode_pgid(void **p, void *end, struct ceph_pg *pgid) +{ + __u8 version; + + if (!ceph_has_room(p, end, 1 + 8 + 4 + 4)) { + pr_warning("incomplete pg encoding"); + + return -EINVAL; + } + version = ceph_decode_8(p); + if (version > 1) { + pr_warning("do not understand pg encoding %d > 1", + (int)version); + return -EINVAL; + } + + pgid->pool = ceph_decode_64(p); + pgid->seed = ceph_decode_32(p); + *p += 4; /* skip deprecated preferred value */ + + return 0; +} + extern struct ceph_osdmap *osdmap_decode(void **p, void *end); extern struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, struct ceph_osdmap *map, |