diff options
Diffstat (limited to 'xlators/cluster/dht/src/dht-helper.c')
| -rw-r--r-- | xlators/cluster/dht/src/dht-helper.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/xlators/cluster/dht/src/dht-helper.c b/xlators/cluster/dht/src/dht-helper.c index 23fc1ff9..1cf343d2 100644 --- a/xlators/cluster/dht/src/dht-helper.c +++ b/xlators/cluster/dht/src/dht-helper.c @@ -505,7 +505,36 @@ out: return next; } +/* This func wraps around, if prev is actually the last subvol. + */ +xlator_t * +dht_subvol_next_available (xlator_t *this, xlator_t *prev) +{ + dht_conf_t *conf = NULL; + int i = 0; + xlator_t *next = NULL; + conf = this->private; + if (!conf) + goto out; + + for (i = 0; i < conf->subvolume_cnt; i++) { + if (conf->subvolumes[i] == prev) { + /* if prev is last in conf->subvolumes, then wrap + * around. + */ + if ((i + 1) < conf->subvolume_cnt) { + next = conf->subvolumes[i + 1]; + } else { + next = conf->subvolumes[0]; + } + break; + } + } + +out: + return next; +} int dht_subvol_cnt (xlator_t *this, xlator_t *subvol) { |