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libceph: primary_affinity infrastructure

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Add primary_affinity infrastructure.  primary_affinity values are
stored in an max_osd-sized array, hanging off ceph_osdmap, similar to
a osd_weight array.

Introduce {get,set}_primary_affinity() helpers, primarily to return
CEPH_OSD_DEFAULT_PRIMARY_AFFINITY when no affinity has been set and to
abstract out osd_primary_affinity array allocation and initialization.

Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Alex Elder <elder@linaro.org>
This commit is contained in:
Ilya Dryomov
2014-03-21 19:05:30 +02:00
committed by Sage Weil
parent d286de796a
commit 2cfa34f2d6
4 changed files with 57 additions and 2 deletions
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5
net/ceph/debugfs.c
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@@ -77,10 +77,11 @@ static int osdmap_show(struct seq_file *s, void *p)
int state = map->osd_state[i];
char sb[64];
seq_printf(s, "osd%d\t%s\t%3d%%\t(%s)\n",
seq_printf(s, "osd%d\t%s\t%3d%%\t(%s)\t%3d%%\n",
i, ceph_pr_addr(&addr->in_addr),
((map->osd_weight[i]*100) >> 16),
ceph_osdmap_state_str(sb, sizeof(sb), state));
ceph_osdmap_state_str(sb, sizeof(sb), state),
((ceph_get_primary_affinity(map, i)*100) >> 16));
}
for (n = rb_first(&map->pg_temp); n; n = rb_next(n)) {
struct ceph_pg_mapping *pg =