diff options
Diffstat (limited to 'xlators/features/locks/src/reservelk.c')
-rw-r--r-- | xlators/features/locks/src/reservelk.c | 192 |
1 files changed, 96 insertions, 96 deletions
diff --git a/xlators/features/locks/src/reservelk.c b/xlators/features/locks/src/reservelk.c index e2b88140aed..61110df79cb 100644 --- a/xlators/features/locks/src/reservelk.c +++ b/xlators/features/locks/src/reservelk.c @@ -36,24 +36,24 @@ void __delete_reserve_lock (posix_lock_t *lock) { - list_del (&lock->list); + list_del (&lock->list); } void __destroy_reserve_lock (posix_lock_t *lock) { - GF_FREE (lock); + GF_FREE (lock); } /* Return true if the two reservelks have exactly same lock boundaries */ int reservelks_equal (posix_lock_t *l1, posix_lock_t *l2) { - if ((l1->fl_start == l2->fl_start) && - (l1->fl_end == l2->fl_end)) - return 1; + if ((l1->fl_start == l2->fl_start) && + (l1->fl_end == l2->fl_end)) + return 1; - return 0; + return 0; } /* Determine if lock is grantable or not */ @@ -61,24 +61,24 @@ static posix_lock_t * __reservelk_grantable (pl_inode_t *pl_inode, posix_lock_t *lock) { xlator_t *this = NULL; - posix_lock_t *l = NULL; + posix_lock_t *l = NULL; posix_lock_t *ret_lock = NULL; this = THIS; - if (list_empty (&pl_inode->reservelk_list)) { + if (list_empty (&pl_inode->reservelk_list)) { gf_log (this->name, GF_LOG_TRACE, "No reservelks in list"); - goto out; + goto out; } - list_for_each_entry (l, &pl_inode->reservelk_list, list){ - if (reservelks_equal (lock, l)) { + list_for_each_entry (l, &pl_inode->reservelk_list, list){ + if (reservelks_equal (lock, l)) { ret_lock = l; break; - } - } + } + } out: - return ret_lock; + return ret_lock; } static int @@ -175,16 +175,16 @@ static int __lock_reservelk (xlator_t *this, pl_inode_t *pl_inode, posix_lock_t *lock, int can_block) { - posix_lock_t *conf = NULL; - int ret = -EINVAL; + posix_lock_t *conf = NULL; + int ret = -EINVAL; - conf = __reservelk_grantable (pl_inode, lock); - if (conf){ - ret = -EAGAIN; - if (can_block == 0) - goto out; + conf = __reservelk_grantable (pl_inode, lock); + if (conf){ + ret = -EAGAIN; + if (can_block == 0) + goto out; - list_add_tail (&lock->list, &pl_inode->blocked_reservelks); + list_add_tail (&lock->list, &pl_inode->blocked_reservelks); gf_log (this->name, GF_LOG_TRACE, "%s (pid=%d) lk-owner:%"PRIu64" %"PRId64" - %"PRId64" => Blocked", @@ -195,26 +195,26 @@ __lock_reservelk (xlator_t *this, pl_inode_t *pl_inode, posix_lock_t *lock, lock->user_flock.l_len); - goto out; - } + goto out; + } - list_add (&lock->list, &pl_inode->reservelk_list); + list_add (&lock->list, &pl_inode->reservelk_list); - ret = 0; + ret = 0; out: - return ret; + return ret; } static posix_lock_t * find_matching_reservelk (posix_lock_t *lock, pl_inode_t *pl_inode) { - posix_lock_t *l = NULL; - list_for_each_entry (l, &pl_inode->reservelk_list, list) { - if (reservelks_equal (l, lock)) - return l; - } - return NULL; + posix_lock_t *l = NULL; + list_for_each_entry (l, &pl_inode->reservelk_list, list) { + if (reservelks_equal (l, lock)) + return l; + } + return NULL; } /* Set F_UNLCK removes a lock which has the exact same lock boundaries @@ -224,20 +224,20 @@ static posix_lock_t * __reserve_unlock_lock (xlator_t *this, posix_lock_t *lock, pl_inode_t *pl_inode) { - posix_lock_t *conf = NULL; + posix_lock_t *conf = NULL; - conf = find_matching_reservelk (lock, pl_inode); - if (!conf) { + conf = find_matching_reservelk (lock, pl_inode); + if (!conf) { gf_log (this->name, GF_LOG_DEBUG, " Matching lock not found for unlock"); - goto out; + goto out; } - __delete_reserve_lock (conf); + __delete_reserve_lock (conf); gf_log (this->name, GF_LOG_DEBUG, " Matching lock found for unlock"); out: - return conf; + return conf; } @@ -246,37 +246,37 @@ static void __grant_blocked_reserve_locks (xlator_t *this, pl_inode_t *pl_inode, struct list_head *granted) { - int bl_ret = 0; - posix_lock_t *bl = NULL; - posix_lock_t *tmp = NULL; + int bl_ret = 0; + posix_lock_t *bl = NULL; + posix_lock_t *tmp = NULL; struct list_head blocked_list; INIT_LIST_HEAD (&blocked_list); list_splice_init (&pl_inode->blocked_reservelks, &blocked_list); - list_for_each_entry_safe (bl, tmp, &blocked_list, list) { + list_for_each_entry_safe (bl, tmp, &blocked_list, list) { - list_del_init (&bl->list); + list_del_init (&bl->list); - bl_ret = __lock_reservelk (this, pl_inode, bl, 1); + bl_ret = __lock_reservelk (this, pl_inode, bl, 1); - if (bl_ret == 0) { - list_add (&bl->list, granted); + if (bl_ret == 0) { + list_add (&bl->list, granted); } } - return; + return; } /* Grant all reservelks blocked on lock(s) */ void grant_blocked_reserve_locks (xlator_t *this, pl_inode_t *pl_inode) { - struct list_head granted; - posix_lock_t *lock = NULL; - posix_lock_t *tmp = NULL; + struct list_head granted; + posix_lock_t *lock = NULL; + posix_lock_t *tmp = NULL; - INIT_LIST_HEAD (&granted); + INIT_LIST_HEAD (&granted); if (list_empty (&pl_inode->blocked_reservelks)) { gf_log (this->name, GF_LOG_TRACE, @@ -285,22 +285,22 @@ grant_blocked_reserve_locks (xlator_t *this, pl_inode_t *pl_inode) } pthread_mutex_lock (&pl_inode->mutex); - { - __grant_blocked_reserve_locks (this, pl_inode, &granted); - } + { + __grant_blocked_reserve_locks (this, pl_inode, &granted); + } pthread_mutex_unlock (&pl_inode->mutex); - list_for_each_entry_safe (lock, tmp, &granted, list) { + list_for_each_entry_safe (lock, tmp, &granted, list) { gf_log (this->name, GF_LOG_TRACE, - "%s (pid=%d) (lk-owner=%"PRIu64") %"PRId64" - %"PRId64" => Granted", - lock->fl_type == F_UNLCK ? "Unlock" : "Lock", - lock->client_pid, - lock->owner, - lock->user_flock.l_start, - lock->user_flock.l_len); + "%s (pid=%d) (lk-owner=%"PRIu64") %"PRId64" - %"PRId64" => Granted", + lock->fl_type == F_UNLCK ? "Unlock" : "Lock", + lock->client_pid, + lock->owner, + lock->user_flock.l_start, + lock->user_flock.l_len); - STACK_UNWIND_STRICT (lk, lock->frame, 0, 0, &lock->user_flock); - } + STACK_UNWIND_STRICT (lk, lock->frame, 0, 0, &lock->user_flock); + } } @@ -308,34 +308,34 @@ static void __grant_blocked_lock_calls (xlator_t *this, pl_inode_t *pl_inode, struct list_head *granted) { - int bl_ret = 0; - posix_lock_t *bl = NULL; - posix_lock_t *tmp = NULL; + int bl_ret = 0; + posix_lock_t *bl = NULL; + posix_lock_t *tmp = NULL; struct list_head blocked_list; INIT_LIST_HEAD (&blocked_list); list_splice_init (&pl_inode->blocked_reservelks, &blocked_list); - list_for_each_entry_safe (bl, tmp, &blocked_list, list) { + list_for_each_entry_safe (bl, tmp, &blocked_list, list) { - list_del_init (&bl->list); + list_del_init (&bl->list); - bl_ret = pl_verify_reservelk (this, pl_inode, bl, bl->blocked); + bl_ret = pl_verify_reservelk (this, pl_inode, bl, bl->blocked); - if (bl_ret == 0) { + if (bl_ret == 0) { list_add_tail (&bl->list, granted); } } - return; + return; } void grant_blocked_lock_calls (xlator_t *this, pl_inode_t *pl_inode) { - struct list_head granted; - posix_lock_t *lock = NULL; - posix_lock_t *tmp = NULL; + struct list_head granted; + posix_lock_t *lock = NULL; + posix_lock_t *tmp = NULL; fd_t *fd = NULL; int can_block = 0; @@ -349,9 +349,9 @@ grant_blocked_lock_calls (xlator_t *this, pl_inode_t *pl_inode) } pthread_mutex_lock (&pl_inode->mutex); - { - __grant_blocked_lock_calls (this, pl_inode, &granted); - } + { + __grant_blocked_lock_calls (this, pl_inode, &granted); + } pthread_mutex_unlock (&pl_inode->mutex); list_for_each_entry_safe (lock, tmp, &granted, list) { @@ -393,18 +393,18 @@ pl_reserve_unlock (xlator_t *this, pl_inode_t *pl_inode, posix_lock_t *lock) int ret = -1; pthread_mutex_lock (&pl_inode->mutex); - { - retlock = __reserve_unlock_lock (this, lock, pl_inode); - if (!retlock) { - gf_log (this->name, GF_LOG_DEBUG, - "Bad Unlock issued on Inode lock"); + { + retlock = __reserve_unlock_lock (this, lock, pl_inode); + if (!retlock) { + gf_log (this->name, GF_LOG_DEBUG, + "Bad Unlock issued on Inode lock"); ret = -EINVAL; goto out; } gf_log (this->name, GF_LOG_TRACE, "Reservelk Unlock successful"); - __destroy_reserve_lock (retlock); + __destroy_reserve_lock (retlock); ret = 0; } out: @@ -421,22 +421,22 @@ int pl_reserve_setlk (xlator_t *this, pl_inode_t *pl_inode, posix_lock_t *lock, int can_block) { - int ret = -EINVAL; + int ret = -EINVAL; - pthread_mutex_lock (&pl_inode->mutex); - { + pthread_mutex_lock (&pl_inode->mutex); + { - ret = __lock_reservelk (this, pl_inode, lock, can_block); + ret = __lock_reservelk (this, pl_inode, lock, can_block); if (ret < 0) - gf_log (this->name, GF_LOG_TRACE, + gf_log (this->name, GF_LOG_TRACE, "%s (pid=%d) (lk-owner=%"PRIu64") %"PRId64" - %"PRId64" => NOK", - lock->fl_type == F_UNLCK ? "Unlock" : "Lock", - lock->client_pid, + lock->fl_type == F_UNLCK ? "Unlock" : "Lock", + lock->client_pid, lock->owner, - lock->user_flock.l_start, - lock->user_flock.l_len); + lock->user_flock.l_start, + lock->user_flock.l_len); else - gf_log (this->name, GF_LOG_TRACE, + gf_log (this->name, GF_LOG_TRACE, "%s (pid=%d) (lk-owner=%"PRIu64") %"PRId64" - %"PRId64" => OK", lock->fl_type == F_UNLCK ? "Unlock" : "Lock", lock->client_pid, @@ -444,7 +444,7 @@ pl_reserve_setlk (xlator_t *this, pl_inode_t *pl_inode, posix_lock_t *lock, lock->fl_start, lock->fl_end); - } - pthread_mutex_unlock (&pl_inode->mutex); + } + pthread_mutex_unlock (&pl_inode->mutex); return ret; } |