diff options
Diffstat (limited to 'fs/ocfs2/cluster/heartbeat.c')
-rw-r--r-- | fs/ocfs2/cluster/heartbeat.c | 243 |
1 files changed, 60 insertions, 183 deletions
diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c index ddddef0021a0..1934abb6b680 100644 --- a/fs/ocfs2/cluster/heartbeat.c +++ b/fs/ocfs2/cluster/heartbeat.c @@ -287,7 +287,6 @@ struct o2hb_bio_wait_ctxt { static void o2hb_write_timeout(struct work_struct *work) { int failed, quorum; - unsigned long flags; struct o2hb_region *reg = container_of(work, struct o2hb_region, hr_write_timeout_work.work); @@ -297,14 +296,14 @@ static void o2hb_write_timeout(struct work_struct *work) jiffies_to_msecs(jiffies - reg->hr_last_timeout_start)); if (o2hb_global_heartbeat_active()) { - spin_lock_irqsave(&o2hb_live_lock, flags); + spin_lock(&o2hb_live_lock); if (test_bit(reg->hr_region_num, o2hb_quorum_region_bitmap)) set_bit(reg->hr_region_num, o2hb_failed_region_bitmap); failed = bitmap_weight(o2hb_failed_region_bitmap, O2NM_MAX_REGIONS); quorum = bitmap_weight(o2hb_quorum_region_bitmap, O2NM_MAX_REGIONS); - spin_unlock_irqrestore(&o2hb_live_lock, flags); + spin_unlock(&o2hb_live_lock); mlog(ML_HEARTBEAT, "Number of regions %d, failed regions %d\n", quorum, failed); @@ -418,13 +417,13 @@ static struct bio *o2hb_setup_one_bio(struct o2hb_region *reg, bio->bi_private = wc; bio->bi_end_io = o2hb_bio_end_io; - vec_start = (cs << bits) % PAGE_CACHE_SIZE; + vec_start = (cs << bits) % PAGE_SIZE; while(cs < max_slots) { current_page = cs / spp; page = reg->hr_slot_data[current_page]; - vec_len = min(PAGE_CACHE_SIZE - vec_start, - (max_slots-cs) * (PAGE_CACHE_SIZE/spp) ); + vec_len = min(PAGE_SIZE - vec_start, + (max_slots-cs) * (PAGE_SIZE/spp) ); mlog(ML_HB_BIO, "page %d, vec_len = %u, vec_start = %u\n", current_page, vec_len, vec_start); @@ -432,7 +431,7 @@ static struct bio *o2hb_setup_one_bio(struct o2hb_region *reg, len = bio_add_page(bio, page, vec_len, vec_start); if (len != vec_len) break; - cs += vec_len / (PAGE_CACHE_SIZE/spp); + cs += vec_len / (PAGE_SIZE/spp); vec_start = 0; } @@ -1254,15 +1253,15 @@ static const struct file_operations o2hb_debug_fops = { void o2hb_exit(void) { - kfree(o2hb_db_livenodes); - kfree(o2hb_db_liveregions); - kfree(o2hb_db_quorumregions); - kfree(o2hb_db_failedregions); debugfs_remove(o2hb_debug_failedregions); debugfs_remove(o2hb_debug_quorumregions); debugfs_remove(o2hb_debug_liveregions); debugfs_remove(o2hb_debug_livenodes); debugfs_remove(o2hb_debug_dir); + kfree(o2hb_db_livenodes); + kfree(o2hb_db_liveregions); + kfree(o2hb_db_quorumregions); + kfree(o2hb_db_failedregions); } static struct dentry *o2hb_debug_create(const char *name, struct dentry *dir, @@ -1438,13 +1437,15 @@ static void o2hb_region_release(struct config_item *item) kfree(reg->hr_slots); - kfree(reg->hr_db_regnum); - kfree(reg->hr_db_livenodes); debugfs_remove(reg->hr_debug_livenodes); debugfs_remove(reg->hr_debug_regnum); debugfs_remove(reg->hr_debug_elapsed_time); debugfs_remove(reg->hr_debug_pinned); debugfs_remove(reg->hr_debug_dir); + kfree(reg->hr_db_livenodes); + kfree(reg->hr_db_regnum); + kfree(reg->hr_db_elapsed_time); + kfree(reg->hr_db_pinned); spin_lock(&o2hb_live_lock); list_del(®->hr_all_item); @@ -1480,16 +1481,17 @@ static int o2hb_read_block_input(struct o2hb_region *reg, return 0; } -static ssize_t o2hb_region_block_bytes_read(struct o2hb_region *reg, +static ssize_t o2hb_region_block_bytes_show(struct config_item *item, char *page) { - return sprintf(page, "%u\n", reg->hr_block_bytes); + return sprintf(page, "%u\n", to_o2hb_region(item)->hr_block_bytes); } -static ssize_t o2hb_region_block_bytes_write(struct o2hb_region *reg, +static ssize_t o2hb_region_block_bytes_store(struct config_item *item, const char *page, size_t count) { + struct o2hb_region *reg = to_o2hb_region(item); int status; unsigned long block_bytes; unsigned int block_bits; @@ -1508,16 +1510,17 @@ static ssize_t o2hb_region_block_bytes_write(struct o2hb_region *reg, return count; } -static ssize_t o2hb_region_start_block_read(struct o2hb_region *reg, +static ssize_t o2hb_region_start_block_show(struct config_item *item, char *page) { - return sprintf(page, "%llu\n", reg->hr_start_block); + return sprintf(page, "%llu\n", to_o2hb_region(item)->hr_start_block); } -static ssize_t o2hb_region_start_block_write(struct o2hb_region *reg, +static ssize_t o2hb_region_start_block_store(struct config_item *item, const char *page, size_t count) { + struct o2hb_region *reg = to_o2hb_region(item); unsigned long long tmp; char *p = (char *)page; @@ -1533,16 +1536,16 @@ static ssize_t o2hb_region_start_block_write(struct o2hb_region *reg, return count; } -static ssize_t o2hb_region_blocks_read(struct o2hb_region *reg, - char *page) +static ssize_t o2hb_region_blocks_show(struct config_item *item, char *page) { - return sprintf(page, "%d\n", reg->hr_blocks); + return sprintf(page, "%d\n", to_o2hb_region(item)->hr_blocks); } -static ssize_t o2hb_region_blocks_write(struct o2hb_region *reg, +static ssize_t o2hb_region_blocks_store(struct config_item *item, const char *page, size_t count) { + struct o2hb_region *reg = to_o2hb_region(item); unsigned long tmp; char *p = (char *)page; @@ -1561,20 +1564,19 @@ static ssize_t o2hb_region_blocks_write(struct o2hb_region *reg, return count; } -static ssize_t o2hb_region_dev_read(struct o2hb_region *reg, - char *page) +static ssize_t o2hb_region_dev_show(struct config_item *item, char *page) { unsigned int ret = 0; - if (reg->hr_bdev) - ret = sprintf(page, "%s\n", reg->hr_dev_name); + if (to_o2hb_region(item)->hr_bdev) + ret = sprintf(page, "%s\n", to_o2hb_region(item)->hr_dev_name); return ret; } static void o2hb_init_region_params(struct o2hb_region *reg) { - reg->hr_slots_per_page = PAGE_CACHE_SIZE >> reg->hr_block_bits; + reg->hr_slots_per_page = PAGE_SIZE >> reg->hr_block_bits; reg->hr_timeout_ms = O2HB_REGION_TIMEOUT_MS; mlog(ML_HEARTBEAT, "hr_start_block = %llu, hr_blocks = %u\n", @@ -1677,10 +1679,11 @@ out: } /* this is acting as commit; we set up all of hr_bdev and hr_task or nothing */ -static ssize_t o2hb_region_dev_write(struct o2hb_region *reg, +static ssize_t o2hb_region_dev_store(struct config_item *item, const char *page, size_t count) { + struct o2hb_region *reg = to_o2hb_region(item); struct task_struct *hb_task; long fd; int sectsize; @@ -1778,8 +1781,8 @@ static ssize_t o2hb_region_dev_write(struct o2hb_region *reg, } ++live_threshold; atomic_set(®->hr_steady_iterations, live_threshold); - /* unsteady_iterations is double the steady_iterations */ - atomic_set(®->hr_unsteady_iterations, (live_threshold << 1)); + /* unsteady_iterations is triple the steady_iterations */ + atomic_set(®->hr_unsteady_iterations, (live_threshold * 3)); hb_task = kthread_run(o2hb_thread, reg, "o2hb-%s", reg->hr_item.ci_name); @@ -1841,9 +1844,9 @@ out: return ret; } -static ssize_t o2hb_region_pid_read(struct o2hb_region *reg, - char *page) +static ssize_t o2hb_region_pid_show(struct config_item *item, char *page) { + struct o2hb_region *reg = to_o2hb_region(item); pid_t pid = 0; spin_lock(&o2hb_live_lock); @@ -1857,92 +1860,23 @@ static ssize_t o2hb_region_pid_read(struct o2hb_region *reg, return sprintf(page, "%u\n", pid); } -struct o2hb_region_attribute { - struct configfs_attribute attr; - ssize_t (*show)(struct o2hb_region *, char *); - ssize_t (*store)(struct o2hb_region *, const char *, size_t); -}; - -static struct o2hb_region_attribute o2hb_region_attr_block_bytes = { - .attr = { .ca_owner = THIS_MODULE, - .ca_name = "block_bytes", - .ca_mode = S_IRUGO | S_IWUSR }, - .show = o2hb_region_block_bytes_read, - .store = o2hb_region_block_bytes_write, -}; - -static struct o2hb_region_attribute o2hb_region_attr_start_block = { - .attr = { .ca_owner = THIS_MODULE, - .ca_name = "start_block", - .ca_mode = S_IRUGO | S_IWUSR }, - .show = o2hb_region_start_block_read, - .store = o2hb_region_start_block_write, -}; - -static struct o2hb_region_attribute o2hb_region_attr_blocks = { - .attr = { .ca_owner = THIS_MODULE, - .ca_name = "blocks", - .ca_mode = S_IRUGO | S_IWUSR }, - .show = o2hb_region_blocks_read, - .store = o2hb_region_blocks_write, -}; - -static struct o2hb_region_attribute o2hb_region_attr_dev = { - .attr = { .ca_owner = THIS_MODULE, - .ca_name = "dev", - .ca_mode = S_IRUGO | S_IWUSR }, - .show = o2hb_region_dev_read, - .store = o2hb_region_dev_write, -}; - -static struct o2hb_region_attribute o2hb_region_attr_pid = { - .attr = { .ca_owner = THIS_MODULE, - .ca_name = "pid", - .ca_mode = S_IRUGO | S_IRUSR }, - .show = o2hb_region_pid_read, -}; +CONFIGFS_ATTR(o2hb_region_, block_bytes); +CONFIGFS_ATTR(o2hb_region_, start_block); +CONFIGFS_ATTR(o2hb_region_, blocks); +CONFIGFS_ATTR(o2hb_region_, dev); +CONFIGFS_ATTR_RO(o2hb_region_, pid); static struct configfs_attribute *o2hb_region_attrs[] = { - &o2hb_region_attr_block_bytes.attr, - &o2hb_region_attr_start_block.attr, - &o2hb_region_attr_blocks.attr, - &o2hb_region_attr_dev.attr, - &o2hb_region_attr_pid.attr, + &o2hb_region_attr_block_bytes, + &o2hb_region_attr_start_block, + &o2hb_region_attr_blocks, + &o2hb_region_attr_dev, + &o2hb_region_attr_pid, NULL, }; -static ssize_t o2hb_region_show(struct config_item *item, - struct configfs_attribute *attr, - char *page) -{ - struct o2hb_region *reg = to_o2hb_region(item); - struct o2hb_region_attribute *o2hb_region_attr = - container_of(attr, struct o2hb_region_attribute, attr); - ssize_t ret = 0; - - if (o2hb_region_attr->show) - ret = o2hb_region_attr->show(reg, page); - return ret; -} - -static ssize_t o2hb_region_store(struct config_item *item, - struct configfs_attribute *attr, - const char *page, size_t count) -{ - struct o2hb_region *reg = to_o2hb_region(item); - struct o2hb_region_attribute *o2hb_region_attr = - container_of(attr, struct o2hb_region_attribute, attr); - ssize_t ret = -EINVAL; - - if (o2hb_region_attr->store) - ret = o2hb_region_attr->store(reg, page, count); - return ret; -} - static struct configfs_item_operations o2hb_region_item_ops = { .release = o2hb_region_release, - .show_attribute = o2hb_region_show, - .store_attribute = o2hb_region_store, }; static struct config_item_type o2hb_region_type = { @@ -2137,49 +2071,14 @@ unlock: spin_unlock(&o2hb_live_lock); } -struct o2hb_heartbeat_group_attribute { - struct configfs_attribute attr; - ssize_t (*show)(struct o2hb_heartbeat_group *, char *); - ssize_t (*store)(struct o2hb_heartbeat_group *, const char *, size_t); -}; - -static ssize_t o2hb_heartbeat_group_show(struct config_item *item, - struct configfs_attribute *attr, - char *page) -{ - struct o2hb_heartbeat_group *reg = to_o2hb_heartbeat_group(to_config_group(item)); - struct o2hb_heartbeat_group_attribute *o2hb_heartbeat_group_attr = - container_of(attr, struct o2hb_heartbeat_group_attribute, attr); - ssize_t ret = 0; - - if (o2hb_heartbeat_group_attr->show) - ret = o2hb_heartbeat_group_attr->show(reg, page); - return ret; -} - -static ssize_t o2hb_heartbeat_group_store(struct config_item *item, - struct configfs_attribute *attr, - const char *page, size_t count) -{ - struct o2hb_heartbeat_group *reg = to_o2hb_heartbeat_group(to_config_group(item)); - struct o2hb_heartbeat_group_attribute *o2hb_heartbeat_group_attr = - container_of(attr, struct o2hb_heartbeat_group_attribute, attr); - ssize_t ret = -EINVAL; - - if (o2hb_heartbeat_group_attr->store) - ret = o2hb_heartbeat_group_attr->store(reg, page, count); - return ret; -} - -static ssize_t o2hb_heartbeat_group_threshold_show(struct o2hb_heartbeat_group *group, - char *page) +static ssize_t o2hb_heartbeat_group_threshold_show(struct config_item *item, + char *page) { return sprintf(page, "%u\n", o2hb_dead_threshold); } -static ssize_t o2hb_heartbeat_group_threshold_store(struct o2hb_heartbeat_group *group, - const char *page, - size_t count) +static ssize_t o2hb_heartbeat_group_threshold_store(struct config_item *item, + const char *page, size_t count) { unsigned long tmp; char *p = (char *)page; @@ -2194,17 +2093,15 @@ static ssize_t o2hb_heartbeat_group_threshold_store(struct o2hb_heartbeat_group return count; } -static -ssize_t o2hb_heartbeat_group_mode_show(struct o2hb_heartbeat_group *group, - char *page) +static ssize_t o2hb_heartbeat_group_mode_show(struct config_item *item, + char *page) { return sprintf(page, "%s\n", o2hb_heartbeat_mode_desc[o2hb_heartbeat_mode]); } -static -ssize_t o2hb_heartbeat_group_mode_store(struct o2hb_heartbeat_group *group, - const char *page, size_t count) +static ssize_t o2hb_heartbeat_group_mode_store(struct config_item *item, + const char *page, size_t count) { unsigned int i; int ret; @@ -2229,33 +2126,15 @@ ssize_t o2hb_heartbeat_group_mode_store(struct o2hb_heartbeat_group *group, } -static struct o2hb_heartbeat_group_attribute o2hb_heartbeat_group_attr_threshold = { - .attr = { .ca_owner = THIS_MODULE, - .ca_name = "dead_threshold", - .ca_mode = S_IRUGO | S_IWUSR }, - .show = o2hb_heartbeat_group_threshold_show, - .store = o2hb_heartbeat_group_threshold_store, -}; - -static struct o2hb_heartbeat_group_attribute o2hb_heartbeat_group_attr_mode = { - .attr = { .ca_owner = THIS_MODULE, - .ca_name = "mode", - .ca_mode = S_IRUGO | S_IWUSR }, - .show = o2hb_heartbeat_group_mode_show, - .store = o2hb_heartbeat_group_mode_store, -}; +CONFIGFS_ATTR(o2hb_heartbeat_group_, threshold); +CONFIGFS_ATTR(o2hb_heartbeat_group_, mode); static struct configfs_attribute *o2hb_heartbeat_group_attrs[] = { - &o2hb_heartbeat_group_attr_threshold.attr, - &o2hb_heartbeat_group_attr_mode.attr, + &o2hb_heartbeat_group_attr_threshold, + &o2hb_heartbeat_group_attr_mode, NULL, }; -static struct configfs_item_operations o2hb_heartbeat_group_item_ops = { - .show_attribute = o2hb_heartbeat_group_show, - .store_attribute = o2hb_heartbeat_group_store, -}; - static struct configfs_group_operations o2hb_heartbeat_group_group_ops = { .make_item = o2hb_heartbeat_group_make_item, .drop_item = o2hb_heartbeat_group_drop_item, @@ -2263,7 +2142,6 @@ static struct configfs_group_operations o2hb_heartbeat_group_group_ops = { static struct config_item_type o2hb_heartbeat_group_type = { .ct_group_ops = &o2hb_heartbeat_group_group_ops, - .ct_item_ops = &o2hb_heartbeat_group_item_ops, .ct_attrs = o2hb_heartbeat_group_attrs, .ct_owner = THIS_MODULE, }; @@ -2546,11 +2424,10 @@ EXPORT_SYMBOL_GPL(o2hb_check_node_heartbeating); int o2hb_check_node_heartbeating_no_sem(u8 node_num) { unsigned long testing_map[BITS_TO_LONGS(O2NM_MAX_NODES)]; - unsigned long flags; - spin_lock_irqsave(&o2hb_live_lock, flags); + spin_lock(&o2hb_live_lock); o2hb_fill_node_map_from_callback(testing_map, sizeof(testing_map)); - spin_unlock_irqrestore(&o2hb_live_lock, flags); + spin_unlock(&o2hb_live_lock); if (!test_bit(node_num, testing_map)) { mlog(ML_HEARTBEAT, "node (%u) does not have heartbeating enabled.\n", |