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libceph: switch to calc_target(), part 1

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Replace __calc_request_pg() and most of __map_request() with
calc_target() and start using req->r_t.

ceph_osdc_build_request() however still encodes base_oid, because it's
called before calc_target() is and target_oid is empty at that point in
time; a printf in osdc_show() also shows base_oid.  This is fixed in
"libceph: switch to calc_target(), part 2".

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Ilya Dryomov
2016-04-28 16:07:23 +02:00
parent 63244fa123
commit a66dd38309
3 changed files with 29 additions and 107 deletions
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15
include/linux/ceph/osd_client.h
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@@ -150,12 +150,13 @@ struct ceph_osd_request {
struct list_head r_linger_item;
struct list_head r_linger_osd_item;
struct ceph_osd *r_osd;
struct ceph_pg r_pgid;
int r_pg_osds[CEPH_PG_MAX_SIZE];
int r_num_pg_osds;
struct ceph_osd_request_target r_t;
#define r_base_oid r_t.base_oid
#define r_base_oloc r_t.base_oloc
#define r_flags r_t.flags
struct ceph_msg *r_request, *r_reply;
int r_flags; /* any additional flags for the osd */
u32 r_sent; /* >0 if r_request is sending/sent */
/* request osd ops array */
@@ -167,7 +168,6 @@ struct ceph_osd_request {
__le64 *r_request_pool;
void *r_request_pgid;
__le32 *r_request_attempts;
bool r_paused;
struct ceph_eversion *r_request_reassert_version;
int r_result;
@@ -186,11 +186,6 @@ struct ceph_osd_request {
struct inode *r_inode; /* for use by callbacks */
void *r_priv; /* ditto */
struct ceph_object_locator r_base_oloc;
struct ceph_object_id r_base_oid;
struct ceph_object_locator r_target_oloc;
struct ceph_object_id r_target_oid;
u64 r_snapid;
unsigned long r_stamp; /* send OR check time */