Instead of relying on pool fields in ceph_file_layout (for mapping) and
ceph_pg (for enconding), start using ceph_object_locator (oloc)
abstraction. Note that userspace oloc currently consists of pool, key,
nspace and hash fields, while this one contains only a pool. This is
OK, because at this point we only send (i.e. encode) olocs and never
have to receive (i.e. decode) them.
This makes keeping a copy of ceph_file_layout in every osd request
unnecessary, so ceph_osd_request::r_file_layout field is nuked.
Signed-off-by: Ilya Dryomov <ilya.dryomov@xxxxxxxxxxx>
---
drivers/block/rbd.c | 8 ++++----
include/linux/ceph/osd_client.h | 3 ++-
include/linux/ceph/osdmap.h | 3 +--
net/ceph/osd_client.c | 8 +++++---
4 files changed, 12 insertions(+), 10 deletions(-)
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 72a7eec456a9..6614e8d95525 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -1808,12 +1808,12 @@ static struct ceph_osd_request *rbd_osd_req_create(
osd_req->r_callback = rbd_osd_req_callback;
osd_req->r_priv = obj_request;
+ osd_req->r_oloc.pool = ceph_file_layout_pg_pool(rbd_dev->layout);
+
osd_req->r_oid_len = strlen(obj_request->object_name);
rbd_assert(osd_req->r_oid_len < sizeof (osd_req->r_oid));
memcpy(osd_req->r_oid, obj_request->object_name, osd_req->r_oid_len);
- osd_req->r_file_layout = rbd_dev->layout; /* struct */
-
return osd_req;
}
@@ -1849,12 +1849,12 @@ rbd_osd_req_create_copyup(struct rbd_obj_request *obj_request)
osd_req->r_callback = rbd_osd_req_callback;
osd_req->r_priv = obj_request;
+ osd_req->r_oloc.pool = ceph_file_layout_pg_pool(rbd_dev->layout);
+
osd_req->r_oid_len = strlen(obj_request->object_name);
rbd_assert(osd_req->r_oid_len < sizeof (osd_req->r_oid));
memcpy(osd_req->r_oid, obj_request->object_name, osd_req->r_oid_len);
- osd_req->r_file_layout = rbd_dev->layout; /* struct */
-
return osd_req;
}
diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h
index 4fb6a8938957..5b8555109789 100644
--- a/include/linux/ceph/osd_client.h
+++ b/include/linux/ceph/osd_client.h
@@ -159,12 +159,13 @@ struct ceph_osd_request {
struct inode *r_inode; /* for use by callbacks */
void *r_priv; /* ditto */
+ struct ceph_object_locator r_oloc;
+
char r_oid[MAX_OBJ_NAME_SIZE]; /* object name */
int r_oid_len;
u64 r_snapid;
unsigned long r_stamp; /* send OR check time */
- struct ceph_file_layout r_file_layout;
struct ceph_snap_context *r_snapc; /* snap context for writes */
};
diff --git a/include/linux/ceph/osdmap.h b/include/linux/ceph/osdmap.h
index d05cc4451af6..256134af4ad4 100644
--- a/include/linux/ceph/osdmap.h
+++ b/include/linux/ceph/osdmap.h
@@ -40,8 +40,7 @@ struct ceph_pg_pool_info {
};
struct ceph_object_locator {
- uint64_t pool;
- char *key;
+ s64 pool;
};
struct ceph_pg_mapping {
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 959d332ed534..7130c5c83d79 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -368,6 +368,8 @@ struct ceph_osd_request *ceph_osdc_alloc_request(struct ceph_osd_client *osdc,
INIT_LIST_HEAD(&req->r_req_lru_item);
INIT_LIST_HEAD(&req->r_osd_item);
+ req->r_oloc.pool = -1;
+
/* create reply message */
if (use_mempool)
msg = ceph_msgpool_get(&osdc->msgpool_op_reply, 0);
@@ -761,7 +763,7 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc,
if (num_ops > 1)
osd_req_op_init(req, 1, CEPH_OSD_OP_STARTSYNC);
- req->r_file_layout = *layout; /* keep a copy */
+ req->r_oloc.pool = ceph_file_layout_pg_pool(*layout);
snprintf(req->r_oid, sizeof(req->r_oid), "%llx.%08llx",
vino.ino, objnum);
@@ -1268,7 +1270,7 @@ static int __map_request(struct ceph_osd_client *osdc,
dout("map_request %p tid %lld\n", req, req->r_tid);
err = ceph_calc_ceph_pg(&pgid, req->r_oid, osdc->osdmap,
- ceph_file_layout_pg_pool(req->r_file_layout));
+ req->r_oloc.pool);
if (err) {
list_move(&req->r_req_lru_item, &osdc->req_notarget);
return err;
@@ -1354,7 +1356,7 @@ static void __send_request(struct ceph_osd_client *osdc,
/* fill in message content that changes each time we send it */
put_unaligned_le32(osdc->osdmap->epoch, req->r_request_osdmap_epoch);
put_unaligned_le32(req->r_flags, req->r_request_flags);
- put_unaligned_le64(req->r_pgid.pool, req->r_request_pool);
+ put_unaligned_le64(req->r_oloc.pool, req->r_request_pool);
p = req->r_request_pgid;
ceph_encode_64(&p, req->r_pgid.pool);
ceph_encode_32(&p, req->r_pgid.seed);
--
1.7.10.4
--
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