xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

libceph: respect RADOS_BACKOFF backoffs

Browse Source 
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Ilya Dryomov
2017-06-19 12:18:05 +02:00
parent 76f827a7b1
commit a02a946dfe
8 changed files with 737 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

45
include/linux/ceph/osd_client.h
View File

@@ -1,6 +1,7 @@
#ifndef _FS_CEPH_OSD_CLIENT_H
#define _FS_CEPH_OSD_CLIENT_H
#include <linux/bitrev.h>
#include <linux/completion.h>
#include <linux/kref.h>
#include <linux/mempool.h>
@@ -36,6 +37,8 @@ struct ceph_osd {
struct ceph_connection o_con;
struct rb_root o_requests;
struct rb_root o_linger_requests;
struct rb_root o_backoff_mappings;
struct rb_root o_backoffs_by_id;
struct list_head o_osd_lru;
struct ceph_auth_handshake o_auth;
unsigned long lru_ttl;
@@ -275,6 +278,48 @@ struct ceph_watch_item {
struct ceph_entity_addr addr;
};
struct ceph_spg_mapping {
struct rb_node node;
struct ceph_spg spgid;
struct rb_root backoffs;
};
struct ceph_hobject_id {
void *key;
size_t key_len;
void *oid;
size_t oid_len;
u64 snapid;
u32 hash;
u8 is_max;
void *nspace;
size_t nspace_len;
s64 pool;
/* cache */
u32 hash_reverse_bits;
};
static inline void ceph_hoid_build_hash_cache(struct ceph_hobject_id *hoid)
{
hoid->hash_reverse_bits = bitrev32(hoid->hash);
}
/*
* PG-wide backoff: [begin, end)
* per-object backoff: begin == end
*/
struct ceph_osd_backoff {
struct rb_node spg_node;
struct rb_node id_node;
struct ceph_spg spgid;
u64 id;
struct ceph_hobject_id *begin;
struct ceph_hobject_id *end;
};
#define CEPH_LINGER_ID_START 0xffff000000000000ULL
struct ceph_osd_client {