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| author | Ilya Dryomov <idryomov@gmail.com> | 2016-02-11 13:09:15 +0100 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2016-03-25 18:51:42 +0100 |
| commit | ae458f5a171badcce60bba9024dbdc5488e5e387 (patch) | |
| tree | 766f578d38220c28fe13882737539875c780c875 | |
| parent | libceph: move r_reply_op_{len,result} into struct ceph_osd_req_op (diff) | |
| download | linux-ae458f5a171badcce60bba9024dbdc5488e5e387.tar.xz linux-ae458f5a171badcce60bba9024dbdc5488e5e387.zip | |
libceph: make r_request msg_size calculation clearer
Although msg_size is calculated correctly, the terms are grouped in
a misleading way - snaps appears to not have room for a u32 length.
Move calculation closer to its use and regroup terms.
No functional change.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
| -rw-r--r-- | net/ceph/osd_client.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 1048edb44343..109d1f82cac5 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -372,16 +372,6 @@ struct ceph_osd_request *ceph_osdc_alloc_request(struct ceph_osd_client *osdc, BUILD_BUG_ON(CEPH_OSD_MAX_OP > U16_MAX); BUG_ON(num_ops > CEPH_OSD_MAX_OP); - msg_size = 4 + 4 + 8 + 8 + 4+8; - msg_size += 2 + 4 + 8 + 4 + 4; /* oloc */ - msg_size += 1 + 8 + 4 + 4; /* pg_t */ - msg_size += 4 + CEPH_MAX_OID_NAME_LEN; /* oid */ - msg_size += 2 + num_ops*sizeof(struct ceph_osd_op); - msg_size += 8; /* snapid */ - msg_size += 8; /* snap_seq */ - msg_size += 8 * (snapc ? snapc->num_snaps : 0); /* snaps */ - msg_size += 4; - if (use_mempool) { req = mempool_alloc(osdc->req_mempool, gfp_flags); memset(req, 0, sizeof(*req)); @@ -420,6 +410,17 @@ struct ceph_osd_request *ceph_osdc_alloc_request(struct ceph_osd_client *osdc, } req->r_reply = msg; + msg_size = 4 + 4 + 4; /* client_inc, osdmap_epoch, flags */ + msg_size += 4 + 4 + 4 + 8; /* mtime, reassert_version */ + msg_size += 2 + 4 + 8 + 4 + 4; /* oloc */ + msg_size += 1 + 8 + 4 + 4; /* pgid */ + msg_size += 4 + CEPH_MAX_OID_NAME_LEN; /* oid */ + msg_size += 2 + num_ops * sizeof(struct ceph_osd_op); + msg_size += 8; /* snapid */ + msg_size += 8; /* snap_seq */ + msg_size += 4 + 8 * (snapc ? snapc->num_snaps : 0); /* snaps */ + msg_size += 4; /* retry_attempt */ + /* create request message; allow space for oid */ if (use_mempool) msg = ceph_msgpool_get(&osdc->msgpool_op, 0); |