libceph: drop need_resend from calc_target()

Replace it with more fine-grained bools to separate updating
ceph_osd_request_target fields and the decision to resend.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Ilya Dryomov 2017-06-15 16:30:54 +02:00
parent 8cb441c054
commit 84ed45df46
1 changed files with 11 additions and 7 deletions

View File

@ -1325,8 +1325,9 @@ static enum calc_target_result calc_target(struct ceph_osd_client *osdc,
struct ceph_pg pgid, last_pgid;
struct ceph_osds up, acting;
bool force_resend = false;
bool unpaused = false;
bool legacy_change;
bool need_check_tiering = false;
bool need_resend = false;
bool sort_bitwise = ceph_osdmap_flag(osdc, CEPH_OSDMAP_SORTBITWISE);
enum calc_target_result ct_res;
int ret;
@ -1393,12 +1394,12 @@ static enum calc_target_result calc_target(struct ceph_osd_client *osdc,
if (t->paused && !target_should_be_paused(osdc, t, pi)) {
t->paused = false;
need_resend = true;
unpaused = true;
}
legacy_change = ceph_pg_compare(&t->pgid, &pgid) ||
ceph_osds_changed(&t->acting, &acting, any_change);
if (ceph_pg_compare(&t->pgid, &pgid) ||
ceph_osds_changed(&t->acting, &acting, any_change) ||
force_resend) {
if (legacy_change || force_resend) {
t->pgid = pgid; /* struct */
ceph_pg_to_primary_shard(osdc->osdmap, &pgid, &t->spgid);
ceph_osds_copy(&t->acting, &acting);
@ -1410,10 +1411,13 @@ static enum calc_target_result calc_target(struct ceph_osd_client *osdc,
t->sort_bitwise = sort_bitwise;
t->osd = acting.primary;
need_resend = true;
}
ct_res = need_resend ? CALC_TARGET_NEED_RESEND : CALC_TARGET_NO_ACTION;
if (unpaused || legacy_change || force_resend)
ct_res = CALC_TARGET_NEED_RESEND;
else
ct_res = CALC_TARGET_NO_ACTION;
out:
dout("%s t %p -> ct_res %d osd %d\n", __func__, t, ct_res, t->osd);
return ct_res;