features/locks: Changes in log messages reflecting lk-owner.

Signed-off-by: Pavan Vilas Sondur <pavan@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 336 (Use lock owner field from fuse in locks)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=336

4 files changed, 38 insertions, 26 deletions

diff --git a/xlators/features/locks/src/common.c b/xlators/features/locks/src/common.c
index f535845929a..58b95d20781 100644
--- a/xlators/features/locks/src/common.c
+++ b/xlators/features/locks/src/common.c
@@ -120,8 +120,9 @@ __pl_inode_is_empty (pl_inode_t *pl_inode)
 void
 pl_print_locker (char *str, int size, xlator_t *this, call_frame_t *frame)
 {
-        snprintf (str, size, "Pid=%llu, Transport=%p, Frame=%llu",
+        snprintf (str, size, "Pid=%llu, lk-owner=%llu, Transport=%p, Frame=%llu",
                   (unsigned long long) frame->root->pid,
+                  (unsigned long long) frame->root->lk_owner,
                   (void *)frame->root->trans,
                   (unsigned long long) frame->root->unique);
 }
@@ -162,7 +163,8 @@ pl_print_lockee (char *str, int size, fd_t *fd, loc_t *loc)
 
 
 void
-pl_print_lock (char *str, int size, int cmd, struct flock *flock)
+pl_print_lock (char *str, int size, int cmd,
+               struct flock *flock, uint64_t owner)
 {
         char *cmd_str = NULL;
         char *type_str = NULL;
@@ -209,10 +211,12 @@ pl_print_lock (char *str, int size, int cmd, struct flock *flock)
                 break;
         }
 
-        snprintf (str, size, "cmd=%s, type=%s, start=%llu, len=%llu, pid=%llu",
+        snprintf (str, size, "lock=FCNTL, cmd=%s, type=%s, "
+                  "start=%llu, len=%llu, pid=%llu, lk-owner=%llu",
                   cmd_str, type_str, (unsigned long long) flock->l_start,
                   (unsigned long long) flock->l_len,
-                  (unsigned long long) flock->l_pid);
+                  (unsigned long long) flock->l_pid,
+                  (unsigned long long) owner);
 }
 
 
@@ -235,7 +239,7 @@ pl_trace_in (xlator_t *this, call_frame_t *frame, fd_t *fd, loc_t *loc,
         if (domain)
                 pl_print_inodelk (pl_lock, 256, cmd, flock, domain);
         else
-                pl_print_lock (pl_lock, 256, cmd, flock);
+                pl_print_lock (pl_lock, 256, cmd, flock, frame->root->lk_owner);
 
         gf_log (this->name, GF_LOG_NORMAL,
                 "[REQUEST] Locker = {%s} Lockee = {%s} Lock = {%s}",
@@ -285,7 +289,7 @@ pl_trace_out (xlator_t *this, call_frame_t *frame, fd_t *fd, loc_t *loc,
         if (domain)
                 pl_print_inodelk (pl_lock, 256, cmd, flock, domain);
         else
-                pl_print_lock (pl_lock, 256, cmd, flock);
+                pl_print_lock (pl_lock, 256, cmd, flock, frame->root->lk_owner);
 
         pl_print_verdict (verdict, 32, op_ret, op_errno);
 
@@ -315,7 +319,7 @@ pl_trace_block (xlator_t *this, call_frame_t *frame, fd_t *fd, loc_t *loc,
         if (domain)
                 pl_print_inodelk (pl_lock, 256, cmd, flock, domain);
         else
-                pl_print_lock (pl_lock, 256, cmd, flock);
+                pl_print_lock (pl_lock, 256, cmd, flock, frame->root->lk_owner);
 
         gf_log (this->name, GF_LOG_NORMAL,
                 "[BLOCKED] Locker = {%s} Lockee = {%s} Lock = {%s}",
diff --git a/xlators/features/locks/src/entrylk.c b/xlators/features/locks/src/entrylk.c
index 6fc45bccede..b83044b7f28 100644
--- a/xlators/features/locks/src/entrylk.c
+++ b/xlators/features/locks/src/entrylk.c
@@ -188,7 +188,7 @@ pl_print_entrylk (char *str, int size, entrylk_cmd cmd, entrylk_type type,
                 break;
         }
 
-        snprintf (str, size, "cmd=%s, type=%s, basename=%s, domain: %s",
+        snprintf (str, size, "lock=ENTRYLK, cmd=%s, type=%s, basename=%s, domain: %s",
                   cmd_str, type_str, basename, domain);
 }
 
@@ -325,7 +325,7 @@ __lock_name (pl_inode_t *pinode, const char *basename, entrylk_type type,
 
 	trans = frame->root->trans;
         client_pid = frame->root->pid;
-        owner      = (uint64_t)frame->root;
+        owner      = (uint64_t)(long)frame->root;
 
 	lock = new_entrylk_lock (pinode, basename, type, trans, client_pid, owner, dom->domain);
 	if (!lock) {
@@ -618,7 +618,7 @@ pl_common_entrylk (call_frame_t *frame, xlator_t *this,
         entrylk_trace_in (this, frame, volume, fd, loc, basename, cmd, type);
 
 	pid       = frame->root->pid;
-        owner     = (uint64_t) frame->root;
+        owner     = (uint64_t)(long) frame->root;
 	transport = frame->root->trans;
 
 	if (pid == 0) {
diff --git a/xlators/features/locks/src/inodelk.c b/xlators/features/locks/src/inodelk.c
index 860f038bac2..019604484d5 100644
--- a/xlators/features/locks/src/inodelk.c
+++ b/xlators/features/locks/src/inodelk.c
@@ -103,7 +103,8 @@ pl_print_inodelk (char *str, int size, int cmd, struct flock *flock, const char
                 break;
         }
 
-        snprintf (str, size, "cmd=%s, type=%s, domain: %s, start=%llu, len=%llu, pid=%llu",
+        snprintf (str, size, "lock=INODELK, cmd=%s, type=%s, "
+                  "domain: %s, start=%llu, len=%llu, pid=%llu",
                   cmd_str, type_str, domain,
                   (unsigned long long) flock->l_start,
                   (unsigned long long) flock->l_len,
@@ -235,7 +236,7 @@ __lock_inodelk (xlator_t *this, pl_inode_t *pl_inode, pl_inode_lock_t *lock,
                 gf_log (this->name, GF_LOG_TRACE,
                         "Lock is grantable, but blocking to prevent starvation");
 		gf_log (this->name, GF_LOG_TRACE,
-                        "%s (pid=%d) lk-owner:%"PRIu64" %"PRId64" - %"PRId64" => Blocked",
+                        "%s (pid=%d) (lk-owner=%"PRIu64") %"PRId64" - %"PRId64" => Blocked",
                         lock->fl_type == F_UNLCK ? "Unlock" : "Lock",
                         lock->client_pid,
                         lock->owner,
@@ -322,7 +323,7 @@ __grant_blocked_inode_locks (xlator_t *this, pl_inode_t *pl_inode, pl_dom_list_t
 
 		if (bl_ret == 0) {
                         gf_log (this->name, GF_LOG_TRACE,
-                                "%s (pid=%d) lk-owner:%"PRIu64" %"PRId64" - %"PRId64" => Granted",
+                                "%s (pid=%d) (lk-owner=%"PRIu64") %"PRId64" - %"PRId64" => Granted",
                                 bl->fl_type == F_UNLCK ? "Unlock" : "Lock",
                                 bl->client_pid,
                                 bl->owner,
@@ -390,9 +391,10 @@ release_inode_locks_of_transport (xlator_t *this, pl_dom_list_t *dom,
 
                         gf_log (this->name, GF_LOG_TRACE,
                                 "releasing lock on %s held by "
-                                "{transport=%p, pid=%"PRId64"}",
+                                "{transport=%p, pid=%"PRId64" lk-owner=%"PRIu64"}",
                                 path, trans,
-                                (uint64_t) l->client_pid);
+                                (uint64_t) l->client_pid,
+                                l->owner);
 
                         list_add (&l->blocked_locks, &released);
 
@@ -414,9 +416,10 @@ release_inode_locks_of_transport (xlator_t *this, pl_dom_list_t *dom,
 
                         gf_log (this->name, GF_LOG_TRACE,
                                 "releasing lock on %s held by "
-                                "{transport=%p, pid=%"PRId64"}",
+                                "{transport=%p, pid=%"PRId64" lk-owner=%"PRIu64"}",
                                 path, trans,
-                                (uint64_t) l->client_pid);
+                                (uint64_t) l->client_pid,
+                                l->owner);
 
 
                         __destroy_inode_lock (l);
@@ -454,7 +457,7 @@ pl_inode_setlk (xlator_t *this, pl_inode_t *pl_inode, pl_inode_lock_t *lock,
 			ret = __lock_inodelk (this, pl_inode, lock, can_block, dom);
 			if (ret == 0)
 				gf_log (this->name, GF_LOG_TRACE,
-                                        "%s (pid=%d) lk-owner:%"PRIu64" %"PRId64" - %"PRId64" => OK",
+                                        "%s (pid=%d) (lk-owner=%"PRIu64") %"PRId64" - %"PRId64" => OK",
                                         lock->fl_type == F_UNLCK ? "Unlock" : "Lock",
                                         lock->client_pid,
                                         lock->owner,
@@ -463,7 +466,7 @@ pl_inode_setlk (xlator_t *this, pl_inode_t *pl_inode, pl_inode_lock_t *lock,
 
 			if (ret == -EAGAIN)
 				gf_log (this->name, GF_LOG_TRACE,
-                                        "%s (pid=%d) lk-owner:%"PRIu64" %"PRId64" - %"PRId64" => NOK",
+                                        "%s (pid=%d) (lk-owner=%"PRIu64") %"PRId64" - %"PRId64" => NOK",
 					lock->fl_type == F_UNLCK ? "Unlock" : "Lock",
 					lock->client_pid,
                                         lock->owner,
@@ -553,7 +556,7 @@ pl_common_inodelk (call_frame_t *frame, xlator_t *this,
 
 	transport  = frame->root->trans;
 	client_pid = frame->root->pid;
-        owner      = (uint64_t) frame->root;
+        owner      = (uint64_t) (long)frame->root;
 
 	pinode = pl_inode_get (this, inode);
 	if (!pinode) {
@@ -666,10 +669,12 @@ __get_inodelk_count (xlator_t *this, pl_inode_t *pl_inode)
 
 			gf_log (this->name, GF_LOG_DEBUG,
                                 " XATTR DEBUG"
-				" domain: %s %s (pid=%d) %"PRId64" - %"PRId64" state = Active",
+				" domain: %s %s (pid=%d) (lk-owner=%"PRIu64") %"PRId64" - %"PRId64" "
+                                "state = Active",
                                 dom->domain,
 				lock->fl_type == F_UNLCK ? "Unlock" : "Lock",
 				lock->client_pid,
+                                lock->owner,
 				lock->user_flock.l_start,
 				lock->user_flock.l_len);
 
@@ -680,10 +685,12 @@ __get_inodelk_count (xlator_t *this, pl_inode_t *pl_inode)
 
 			gf_log (this->name, GF_LOG_DEBUG,
                                 " XATTR DEBUG"
-				" domain: %s %s (pid=%d) %"PRId64" - %"PRId64" state = Blocked",
+				" domain: %s %s (pid=%d) (lk-owner=%"PRIu64") %"PRId64" - %"PRId64" "
+                                "state = Blocked",
                                 dom->domain,
 				lock->fl_type == F_UNLCK ? "Unlock" : "Lock",
 				lock->client_pid,
+                                lock->owner,
 				lock->user_flock.l_start,
 				lock->user_flock.l_len);
 
diff --git a/xlators/features/locks/src/posix.c b/xlators/features/locks/src/posix.c
index 674485576fd..f3b95e059d8 100644
--- a/xlators/features/locks/src/posix.c
+++ b/xlators/features/locks/src/posix.c
@@ -237,7 +237,7 @@ unwind:
 
 static void
 __delete_locks_of_owner (pl_inode_t *pl_inode,
-                         transport_t *transport, pid_t pid)
+                         transport_t *transport, uint64_t owner)
 {
         posix_lock_t *tmp = NULL;
         posix_lock_t *l = NULL;
@@ -246,7 +246,7 @@ __delete_locks_of_owner (pl_inode_t *pl_inode,
 
         list_for_each_entry_safe (l, tmp, &pl_inode->ext_list, list) {
                 if ((l->transport == transport)
-                    && (l->client_pid == pid)) {
+                    && (l->owner == owner)) {
                         __delete_lock (pl_inode, l);
                         __destroy_lock (l);
                 }
@@ -288,7 +288,7 @@ pl_flush (call_frame_t *frame, xlator_t *this,
         pthread_mutex_lock (&pl_inode->mutex);
         {
                 __delete_locks_of_owner (pl_inode, frame->root->trans,
-                                         frame->root->pid);
+                                         frame->root->lk_owner);
         }
         pthread_mutex_unlock (&pl_inode->mutex);
 
@@ -804,9 +804,10 @@ __get_posixlk_count (xlator_t *this, pl_inode_t *pl_inode)
 
 			gf_log (this->name, GF_LOG_DEBUG,
                                 " XATTR DEBUG"
-				"%s (pid=%d) %"PRId64" - %"PRId64" state: %s",
+				"%s (pid=%d) (lk-owner=%"PRIu64") %"PRId64" - %"PRId64" state: %s",
 				lock->fl_type == F_UNLCK ? "Unlock" : "Lock",
 				lock->client_pid,
+                                lock->owner,
 				lock->user_flock.l_start,
 				lock->user_flock.l_len,
                                 lock->blocked == 1 ? "Blocked" : "Active");