GitHub-Mirror/linux-bl808
2
0
Fork 0
mirror of https://github.com/Fishwaldo/linux-bl808.git synced 2025-06-17 20:25:19 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

libceph: introduce ceph_osd_request_target, calc_target()

Browse source 
Introduce ceph_osd_request_target, containing all mapping-related
fields of ceph_osd_request and calc_target() for calculating mappings
and populating it.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Ilya Dryomov 2016-04-28 16:07:23 +02:00
parent 04812acf57
commit 63244fa123
7 changed files with 340 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

34
include/linux/ceph/osdmap.h
View file

@ -28,6 +28,7 @@ int ceph_pg_compare(const struct ceph_pg *lhs, const struct ceph_pg *rhs);
#define CEPH_POOL_FLAG_HASHPSPOOL (1ULL << 0) /* hash pg seed and pool id
together */
#define CEPH_POOL_FLAG_FULL (1ULL << 1) /* pool is full */
struct ceph_pg_pool_info {
struct rb_node node;
@ -62,6 +63,22 @@ struct ceph_object_locator {
s64 pool;
};
static inline void ceph_oloc_init(struct ceph_object_locator *oloc)
{
oloc->pool = -1;
}
static inline bool ceph_oloc_empty(const struct ceph_object_locator *oloc)
{
return oloc->pool == -1;
}
static inline void ceph_oloc_copy(struct ceph_object_locator *dest,
const struct ceph_object_locator *src)
{
dest->pool = src->pool;
}
/*
* Maximum supported by kernel client object name length
*
@ -227,6 +244,23 @@ static inline void ceph_osds_init(struct ceph_osds *set)
void ceph_osds_copy(struct ceph_osds *dest, const struct ceph_osds *src);
bool ceph_is_new_interval(const struct ceph_osds *old_acting,
const struct ceph_osds *new_acting,
const struct ceph_osds *old_up,
const struct ceph_osds *new_up,
int old_size,
int new_size,
int old_min_size,
int new_min_size,
u32 old_pg_num,
u32 new_pg_num,
bool old_sort_bitwise,
bool new_sort_bitwise,
const struct ceph_pg *pgid);
bool ceph_osds_changed(const struct ceph_osds *old_acting,
const struct ceph_osds *new_acting,
bool any_change);
/* calculate mapping of a file extent to an object */
extern int ceph_calc_file_object_mapping(struct ceph_file_layout *layout,
u64 off, u64 len,