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Commit 1c00240e authored by Ilya Dryomov's avatar Ilya Dryomov Committed by Sage Weil
Browse files

libceph: dump pg_temp mappings to debugfs 



Dump pg_temp mappings to /sys/kernel/debug/ceph/<client>/osdmap,
one 'pg_temp <pgid> [<osd>, ..., <osd>]' per line, e.g:

    pg_temp 2.6 [2,3,4]

Signed-off-by: default avatarIlya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: default avatarAlex Elder <elder@linaro.org>
parent 0a2800d7

net/ceph/debugfs.c

+11 −0
Original line number Diff line number Diff line
@@ -82,6 +82,17 @@ static int osdmap_show(struct seq_file *s, void *p) 
			   ((map->osd_weight[i]*100) >> 16),

			   ceph_osdmap_state_str(sb, sizeof(sb), state));

	}

	for (n = rb_first(&map->pg_temp); n; n = rb_next(n)) {

		struct ceph_pg_mapping *pg =

			rb_entry(n, struct ceph_pg_mapping, node);



		seq_printf(s, "pg_temp %llu.%x [", pg->pgid.pool,

			   pg->pgid.seed);

		for (i = 0; i < pg->len; i++)

			seq_printf(s, "%s%d", (i == 0 ? "" : ","),

				   pg->osds[i]);

		seq_printf(s, "]\n");

	}



	return 0;

}