From 7662d8ff57d2b00ce8f7fe0b60a85efbb2c05652 Mon Sep 17 00:00:00 2001 From: Sage Weil Date: Tue, 3 May 2011 12:52:05 -0700 Subject: libceph: handle new osdmap down/state change encoding Old incrementals encode a 0 value (nearly always) when an osd goes down. Change that to allow any state bit(s) to be flipped. Special case 0 to mean flip the CEPH_OSD_UP bit to mimic the old behavior. Signed-off-by: Sage Weil --- net/ceph/osdmap.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) (limited to 'net') diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c index 94f068dda433..e97c3588c3ec 100644 --- a/net/ceph/osdmap.c +++ b/net/ceph/osdmap.c @@ -830,15 +830,20 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, map->osd_addr[osd] = addr; } - /* new_down */ + /* new_state */ ceph_decode_32_safe(p, end, len, bad); while (len--) { u32 osd; + u8 xorstate; ceph_decode_32_safe(p, end, osd, bad); + xorstate = **(u8 **)p; (*p)++; /* clean flag */ - pr_info("osd%d down\n", osd); + if (xorstate == 0) + xorstate = CEPH_OSD_UP; + if (xorstate & CEPH_OSD_UP) + pr_info("osd%d down\n", osd); if (osd < map->max_osd) - map->osd_state[osd] &= ~CEPH_OSD_UP; + map->osd_state[osd] ^= xorstate; } /* new_weight */ -- cgit v1.2.3