forked from luck/tmp_suning_uos_patched
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: Ilya Dryomov <ilya.dryomov@inktank.com> Reviewed-by: Alex Elder <elder@linaro.org>
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@ -82,6 +82,17 @@ static int osdmap_show(struct seq_file *s, void *p)
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((map->osd_weight[i]*100) >> 16),
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ceph_osdmap_state_str(sb, sizeof(sb), state));
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}
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for (n = rb_first(&map->pg_temp); n; n = rb_next(n)) {
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struct ceph_pg_mapping *pg =
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rb_entry(n, struct ceph_pg_mapping, node);
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seq_printf(s, "pg_temp %llu.%x [", pg->pgid.pool,
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pg->pgid.seed);
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for (i = 0; i < pg->len; i++)
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seq_printf(s, "%s%d", (i == 0 ? "" : ","),
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pg->osds[i]);
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seq_printf(s, "]\n");
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}
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return 0;
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}
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