From 2169aea649c08374bec7d220a3b8f64712275356 Mon Sep 17 00:00:00 2001 From: Sage Weil Date: Mon, 25 Feb 2013 16:13:08 -0800 Subject: libceph: calculate placement based on the internal data types Instead of using the old ceph_object_layout struct, update our internal ceph_calc_object_layout method to use the ceph_pg type. This allows us to pass the full 32-bit precision of the pgid.seed to the callers. It also allows some callers to avoid reaching into the request structures for the struct ceph_object_layout fields. Signed-off-by: Sage Weil Reviewed-by: Alex Elder --- net/ceph/osd_client.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) (limited to 'net/ceph/osd_client.c') diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 1990834e518..5584f0a08e2 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -913,21 +913,18 @@ EXPORT_SYMBOL(ceph_osdc_set_request_linger); static int __map_request(struct ceph_osd_client *osdc, struct ceph_osd_request *req, int force_resend) { - struct ceph_osd_request_head *reqhead = req->r_request->front.iov_base; struct ceph_pg pgid; int acting[CEPH_PG_MAX_SIZE]; int o = -1, num = 0; int err; dout("map_request %p tid %lld\n", req, req->r_tid); - err = ceph_calc_object_layout(&reqhead->layout, req->r_oid, + err = ceph_calc_object_layout(&pgid, req->r_oid, &req->r_file_layout, osdc->osdmap); if (err) { list_move(&req->r_req_lru_item, &osdc->req_notarget); return err; } - pgid.pool = le32_to_cpu(reqhead->layout.ol_pgid.pool); - pgid.seed = le16_to_cpu(reqhead->layout.ol_pgid.ps); req->r_pgid = pgid; err = ceph_calc_pg_acting(osdc->osdmap, pgid, acting); @@ -1000,10 +997,16 @@ static void __send_request(struct ceph_osd_client *osdc, req, req->r_tid, req->r_osd->o_osd, req->r_flags); reqhead = req->r_request->front.iov_base; + reqhead->snapid = cpu_to_le64(req->r_snapid); reqhead->osdmap_epoch = cpu_to_le32(osdc->osdmap->epoch); reqhead->flags |= cpu_to_le32(req->r_flags); /* e.g., RETRY */ reqhead->reassert_version = req->r_reassert_version; + reqhead->layout.ol_pgid.ps = cpu_to_le16(req->r_pgid.seed); + reqhead->layout.ol_pgid.pool = cpu_to_le32(req->r_pgid.pool); + reqhead->layout.ol_pgid.preferred = cpu_to_le16(-1); + reqhead->layout.ol_stripe_unit = 0; + req->r_stamp = jiffies; list_move_tail(&req->r_req_lru_item, &osdc->req_lru); -- cgit v1.2.3