diff options
| author | Jeff Darcy <jdarcy@redhat.com> | 2012-03-23 13:16:06 -0400 |
|---|---|---|
| committer | Anand Avati <avati@redhat.com> | 2012-05-31 17:13:29 -0700 |
| commit | e066a5fea7bdaa5da78e49c9a5bf344af2f33d3c (patch) | |
| tree | 12e77cb78c60de41672c005aca9e7d3c2f5c282a /xlators/cluster/dht/src/dht-layout.c | |
| parent | a5b8c32afba6509c4de4ec08830f5833fcbdaf1a (diff) | |
distribute: support user-specified layouts.
The new type is DHT_HASH_TYPE_DM_USER=1 (on disk in network byte order) and
we treat it the same as DHT_HASH_TYPE_DM except that we don't stomp on it
during rebalance.
Change-Id: I893571a9b89577acdea2fe868915b18d3663fd77
BUG: 807312
Signed-off-by: Jeff Darcy <jdarcy@redhat.com>
Reviewed-on: http://review.gluster.com/3004
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
Diffstat (limited to 'xlators/cluster/dht/src/dht-layout.c')
| -rw-r--r-- | xlators/cluster/dht/src/dht-layout.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/xlators/cluster/dht/src/dht-layout.c b/xlators/cluster/dht/src/dht-layout.c index 08697d042..97bbe987f 100644 --- a/xlators/cluster/dht/src/dht-layout.c +++ b/xlators/cluster/dht/src/dht-layout.c @@ -308,9 +308,13 @@ dht_disk_layout_merge (xlator_t *this, dht_layout_t *layout, return -1; } - switch (disk_layout[1]) { + type = ntoh32 (disk_layout[1]); + switch (type) { + case DHT_HASH_TYPE_DM_USER: + gf_log (this->name, GF_LOG_DEBUG, "found user-set layout"); + layout->type = type; + /* Fall through. */ case DHT_HASH_TYPE_DM: - type = ntoh32 (disk_layout[1]); break; default: gf_log (this->name, GF_LOG_CRITICAL, |