diff options
Diffstat (limited to 'fs/ocfs2/dlm')
-rw-r--r-- | fs/ocfs2/dlm/dlmapi.h | 4 | ||||
-rw-r--r-- | fs/ocfs2/dlm/dlmdebug.c | 62 | ||||
-rw-r--r-- | fs/ocfs2/dlm/dlmdomain.c | 12 | ||||
-rw-r--r-- | fs/ocfs2/dlm/dlmmaster.c | 12 | ||||
-rw-r--r-- | fs/ocfs2/dlm/dlmrecovery.c | 13 |
5 files changed, 23 insertions, 80 deletions
diff --git a/fs/ocfs2/dlm/dlmapi.h b/fs/ocfs2/dlm/dlmapi.h index bae60ca2672a..1969db8ffa9c 100644 --- a/fs/ocfs2/dlm/dlmapi.h +++ b/fs/ocfs2/dlm/dlmapi.h @@ -62,8 +62,6 @@ enum dlm_status { DLM_MAXSTATS, /* 41: upper limit for return code validation */ }; -/* for pretty-printing dlm_status error messages */ -const char *dlm_errmsg(enum dlm_status err); /* for pretty-printing dlm_status error names */ const char *dlm_errname(enum dlm_status err); @@ -120,7 +118,7 @@ struct dlm_lockstatus { #define LKM_VALBLK 0x00000100 /* lock value block request */ #define LKM_NOQUEUE 0x00000200 /* non blocking request */ #define LKM_CONVERT 0x00000400 /* conversion request */ -#define LKM_NODLCKWT 0x00000800 /* this lock wont deadlock (U) */ +#define LKM_NODLCKWT 0x00000800 /* this lock won't deadlock (U) */ #define LKM_UNLOCK 0x00001000 /* deallocate this lock */ #define LKM_CANCEL 0x00002000 /* cancel conversion request */ #define LKM_DEQALL 0x00004000 /* remove all locks held by proc (U) */ diff --git a/fs/ocfs2/dlm/dlmdebug.c b/fs/ocfs2/dlm/dlmdebug.c index be5e9ed7da8d..fe4fdd09bae3 100644 --- a/fs/ocfs2/dlm/dlmdebug.c +++ b/fs/ocfs2/dlm/dlmdebug.c @@ -14,6 +14,7 @@ #include <linux/spinlock.h> #include <linux/debugfs.h> #include <linux/export.h> +#include <linux/string_choices.h> #include "../cluster/heartbeat.h" #include "../cluster/nodemanager.h" @@ -90,12 +91,12 @@ void __dlm_print_one_lock_resource(struct dlm_lock_resource *res) buf, res->owner, res->state); printk(" last used: %lu, refcnt: %u, on purge list: %s\n", res->last_used, kref_read(&res->refs), - list_empty(&res->purge) ? "no" : "yes"); + str_no_yes(list_empty(&res->purge))); printk(" on dirty list: %s, on reco list: %s, " "migrating pending: %s\n", - list_empty(&res->dirty) ? "no" : "yes", - list_empty(&res->recovering) ? "no" : "yes", - res->migration_pending ? "yes" : "no"); + str_no_yes(list_empty(&res->dirty)), + str_no_yes(list_empty(&res->recovering)), + str_yes_no(res->migration_pending)); printk(" inflight locks: %d, asts reserved: %d\n", res->inflight_locks, atomic_read(&res->asts_reserved)); dlm_print_lockres_refmap(res); @@ -164,59 +165,6 @@ static const char *dlm_errnames[] = { [DLM_MAXSTATS] = "DLM_MAXSTATS", }; -static const char *dlm_errmsgs[] = { - [DLM_NORMAL] = "request in progress", - [DLM_GRANTED] = "request granted", - [DLM_DENIED] = "request denied", - [DLM_DENIED_NOLOCKS] = "request denied, out of system resources", - [DLM_WORKING] = "async request in progress", - [DLM_BLOCKED] = "lock request blocked", - [DLM_BLOCKED_ORPHAN] = "lock request blocked by a orphan lock", - [DLM_DENIED_GRACE_PERIOD] = "topological change in progress", - [DLM_SYSERR] = "system error", - [DLM_NOSUPPORT] = "unsupported", - [DLM_CANCELGRANT] = "can't cancel convert: already granted", - [DLM_IVLOCKID] = "bad lockid", - [DLM_SYNC] = "synchronous request granted", - [DLM_BADTYPE] = "bad resource type", - [DLM_BADRESOURCE] = "bad resource handle", - [DLM_MAXHANDLES] = "no more resource handles", - [DLM_NOCLINFO] = "can't contact cluster manager", - [DLM_NOLOCKMGR] = "can't contact lock manager", - [DLM_NOPURGED] = "can't contact purge daemon", - [DLM_BADARGS] = "bad api args", - [DLM_VOID] = "no status", - [DLM_NOTQUEUED] = "NOQUEUE was specified and request failed", - [DLM_IVBUFLEN] = "invalid resource name length", - [DLM_CVTUNGRANT] = "attempted to convert ungranted lock", - [DLM_BADPARAM] = "invalid lock mode specified", - [DLM_VALNOTVALID] = "value block has been invalidated", - [DLM_REJECTED] = "request rejected, unrecognized client", - [DLM_ABORT] = "blocked lock request cancelled", - [DLM_CANCEL] = "conversion request cancelled", - [DLM_IVRESHANDLE] = "invalid resource handle", - [DLM_DEADLOCK] = "deadlock recovery refused this request", - [DLM_DENIED_NOASTS] = "failed to allocate AST", - [DLM_FORWARD] = "request must wait for primary's response", - [DLM_TIMEOUT] = "timeout value for lock has expired", - [DLM_IVGROUPID] = "invalid group specification", - [DLM_VERS_CONFLICT] = "version conflicts prevent request handling", - [DLM_BAD_DEVICE_PATH] = "Locks device does not exist or path wrong", - [DLM_NO_DEVICE_PERMISSION] = "Client has insufficient perms for device", - [DLM_NO_CONTROL_DEVICE] = "Cannot set options on opened device ", - [DLM_RECOVERING] = "lock resource being recovered", - [DLM_MIGRATING] = "lock resource being migrated", - [DLM_MAXSTATS] = "invalid error number", -}; - -const char *dlm_errmsg(enum dlm_status err) -{ - if (err >= DLM_MAXSTATS || err < 0) - return dlm_errmsgs[DLM_MAXSTATS]; - return dlm_errmsgs[err]; -} -EXPORT_SYMBOL_GPL(dlm_errmsg); - const char *dlm_errname(enum dlm_status err) { if (err >= DLM_MAXSTATS || err < 0) diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c index 5c04dde99981..2018501b2249 100644 --- a/fs/ocfs2/dlm/dlmdomain.c +++ b/fs/ocfs2/dlm/dlmdomain.c @@ -1274,7 +1274,7 @@ static int dlm_query_nodeinfo_handler(struct o2net_msg *msg, u32 len, { struct dlm_query_nodeinfo *qn; struct dlm_ctxt *dlm = NULL; - int locked = 0, status = -EINVAL; + int status = -EINVAL; qn = (struct dlm_query_nodeinfo *) msg->buf; @@ -1290,12 +1290,11 @@ static int dlm_query_nodeinfo_handler(struct o2net_msg *msg, u32 len, } spin_lock(&dlm->spinlock); - locked = 1; if (dlm->joining_node != qn->qn_nodenum) { mlog(ML_ERROR, "Node %d queried nodes on domain %s but " "joining node is %d\n", qn->qn_nodenum, qn->qn_domain, dlm->joining_node); - goto bail; + goto unlock; } /* Support for node query was added in 1.1 */ @@ -1305,14 +1304,14 @@ static int dlm_query_nodeinfo_handler(struct o2net_msg *msg, u32 len, "but active dlm protocol is %d.%d\n", qn->qn_nodenum, qn->qn_domain, dlm->dlm_locking_proto.pv_major, dlm->dlm_locking_proto.pv_minor); - goto bail; + goto unlock; } status = dlm_match_nodes(dlm, qn); +unlock: + spin_unlock(&dlm->spinlock); bail: - if (locked) - spin_unlock(&dlm->spinlock); spin_unlock(&dlm_domain_lock); return status; @@ -1528,7 +1527,6 @@ static void dlm_send_join_asserts(struct dlm_ctxt *dlm, { int status, node, live; - status = 0; node = -1; while ((node = find_next_bit(node_map, O2NM_MAX_NODES, node + 1)) < O2NM_MAX_NODES) { diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c index d610da8e2f24..86bb1a03bcc1 100644 --- a/fs/ocfs2/dlm/dlmmaster.c +++ b/fs/ocfs2/dlm/dlmmaster.c @@ -21,7 +21,7 @@ #include <linux/inet.h> #include <linux/spinlock.h> #include <linux/delay.h> - +#include <linux/string_choices.h> #include "../cluster/heartbeat.h" #include "../cluster/nodemanager.h" @@ -2859,7 +2859,7 @@ static int dlm_mark_lockres_migrating(struct dlm_ctxt *dlm, dlm_lockres_release_ast(dlm, res); mlog(0, "about to wait on migration_wq, dirty=%s\n", - res->state & DLM_LOCK_RES_DIRTY ? "yes" : "no"); + str_yes_no(res->state & DLM_LOCK_RES_DIRTY)); /* if the extra ref we just put was the final one, this * will pass thru immediately. otherwise, we need to wait * for the last ast to finish. */ @@ -2869,12 +2869,12 @@ again: msecs_to_jiffies(1000)); if (ret < 0) { mlog(0, "woken again: migrating? %s, dead? %s\n", - res->state & DLM_LOCK_RES_MIGRATING ? "yes":"no", - test_bit(target, dlm->domain_map) ? "no":"yes"); + str_yes_no(res->state & DLM_LOCK_RES_MIGRATING), + str_no_yes(test_bit(target, dlm->domain_map))); } else { mlog(0, "all is well: migrating? %s, dead? %s\n", - res->state & DLM_LOCK_RES_MIGRATING ? "yes":"no", - test_bit(target, dlm->domain_map) ? "no":"yes"); + str_yes_no(res->state & DLM_LOCK_RES_MIGRATING), + str_no_yes(test_bit(target, dlm->domain_map))); } if (!dlm_migration_can_proceed(dlm, res, target)) { mlog(0, "trying again...\n"); diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c index 50da8af988c1..67fc62a49a76 100644 --- a/fs/ocfs2/dlm/dlmrecovery.c +++ b/fs/ocfs2/dlm/dlmrecovery.c @@ -22,7 +22,7 @@ #include <linux/timer.h> #include <linux/kthread.h> #include <linux/delay.h> - +#include <linux/string_choices.h> #include "../cluster/heartbeat.h" #include "../cluster/nodemanager.h" @@ -207,7 +207,7 @@ void dlm_complete_recovery_thread(struct dlm_ctxt *dlm) * 1) all recovery threads cluster wide will work on recovering * ONE node at a time * 2) negotiate who will take over all the locks for the dead node. - * thats right... ALL the locks. + * that's right... ALL the locks. * 3) once a new master is chosen, everyone scans all locks * and moves aside those mastered by the dead guy * 4) each of these locks should be locked until recovery is done @@ -581,8 +581,7 @@ static int dlm_remaster_locks(struct dlm_ctxt *dlm, u8 dead_node) msecs_to_jiffies(1000)); mlog(0, "waited 1 sec for %u, " "dead? %s\n", ndata->node_num, - dlm_is_node_dead(dlm, ndata->node_num) ? - "yes" : "no"); + str_yes_no(dlm_is_node_dead(dlm, ndata->node_num))); } else { /* -ENOMEM on the other node */ mlog(0, "%s: node %u returned " @@ -677,7 +676,7 @@ static int dlm_remaster_locks(struct dlm_ctxt *dlm, u8 dead_node) spin_unlock(&dlm_reco_state_lock); mlog(0, "pass #%d, all_nodes_done?: %s\n", ++pass, - all_nodes_done?"yes":"no"); + str_yes_no(all_nodes_done)); if (all_nodes_done) { int ret; @@ -1469,7 +1468,7 @@ int dlm_mig_lockres_handler(struct o2net_msg *msg, u32 len, void *data, * The first one is handled at the end of this function. The * other two are handled in the worker thread after locks have * been attached. Yes, we don't wait for purge time to match - * kref_init. The lockres will still have atleast one ref + * kref_init. The lockres will still have at least one ref * added because it is in the hash __dlm_insert_lockres() */ extra_refs++; @@ -1735,7 +1734,7 @@ int dlm_master_requery_handler(struct o2net_msg *msg, u32 len, void *data, spin_unlock(&res->spinlock); } } else { - /* put.. incase we are not the master */ + /* put.. in case we are not the master */ spin_unlock(&res->spinlock); dlm_lockres_put(res); } |