diff options
Diffstat (limited to 'xlators/features/leases/src/leases-internal.c')
| -rw-r--r-- | xlators/features/leases/src/leases-internal.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/xlators/features/leases/src/leases-internal.c b/xlators/features/leases/src/leases-internal.c index 00fb670ff2a..2823ca5a262 100644 --- a/xlators/features/leases/src/leases-internal.c +++ b/xlators/features/leases/src/leases-internal.c @@ -624,17 +624,29 @@ __remove_lease(xlator_t *this, inode_t *inode, lease_inode_ctx_t *lease_ctx, "lease type:%d, lease id:%s", client_uid, lease->lease_type, leaseid_utoa(lease->lease_id)); + /* There could be a race where in server recalled the lease and by the time + * client sends lease_unlock request, server may have revoked it. To handle + * such cases, if lease doesnt exist treat it as noop and return success. + */ lease_entry = __get_lease_id_entry(lease_ctx, lease->lease_id); - if (!lease_entry || !(lease_entry->lease_type & lease->lease_type)) { + if (!lease_entry) { gf_msg(this->name, GF_LOG_INFO, 0, LEASE_MSG_INVAL_UNLK_LEASE, "Got unlock lease request from client:%s, but has no " "corresponding lock", client_uid); + ret = 0; + goto out; + } + + if (!(lease_entry->lease_type & lease->lease_type)) { + gf_msg(this->name, GF_LOG_INFO, 0, LEASE_MSG_INVAL_UNLK_LEASE, + "Got unlock lease request from client:%s for an invalid " + "lease_type", + client_uid); ret = -EINVAL; errno = EINVAL; goto out; } - lease_type = lease->lease_type; lease_entry->lease_type_cnt[lease_type]--; lease_entry->lease_cnt--; |