diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/Kconfig | 1 | ||||
| -rw-r--r-- | block/genhd.c | 6 | ||||
| -rw-r--r-- | block/ll_rw_blk.c | 14 |
3 files changed, 11 insertions, 10 deletions
diff --git a/block/Kconfig b/block/Kconfig index 43ca070dc0f..5536839886f 100644 --- a/block/Kconfig +++ b/block/Kconfig @@ -13,6 +13,7 @@ config LBD config BLK_DEV_IO_TRACE bool "Support for tracing block io actions" + depends on SYSFS select RELAY select DEBUG_FS help diff --git a/block/genhd.c b/block/genhd.c index 64510fd8862..db4c60c802d 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -454,8 +454,8 @@ static ssize_t disk_stats_read(struct gendisk * disk, char *page) disk_round_stats(disk); preempt_enable(); return sprintf(page, - "%8u %8u %8llu %8u " - "%8u %8u %8llu %8u " + "%8lu %8lu %8llu %8u " + "%8lu %8lu %8llu %8u " "%8u %8u %8u" "\n", disk_stat_read(disk, ios[READ]), @@ -649,7 +649,7 @@ static int diskstats_show(struct seq_file *s, void *v) preempt_disable(); disk_round_stats(gp); preempt_enable(); - seq_printf(s, "%4d %4d %s %u %u %llu %u %u %u %llu %u %u %u %u\n", + seq_printf(s, "%4d %4d %s %lu %lu %llu %u %lu %lu %llu %u %u %u %u\n", gp->major, n + gp->first_minor, disk_name(gp, n, buf), disk_stat_read(gp, ios[0]), disk_stat_read(gp, merges[0]), (unsigned long long)disk_stat_read(gp, sectors[0]), diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c index a2e333ad0b6..82469db2510 100644 --- a/block/ll_rw_blk.c +++ b/block/ll_rw_blk.c @@ -908,17 +908,15 @@ init_tag_map(request_queue_t *q, struct blk_queue_tag *tags, int depth) __FUNCTION__, depth); } - tag_index = kmalloc(depth * sizeof(struct request *), GFP_ATOMIC); + tag_index = kzalloc(depth * sizeof(struct request *), GFP_ATOMIC); if (!tag_index) goto fail; nr_ulongs = ALIGN(depth, BITS_PER_LONG) / BITS_PER_LONG; - tag_map = kmalloc(nr_ulongs * sizeof(unsigned long), GFP_ATOMIC); + tag_map = kzalloc(nr_ulongs * sizeof(unsigned long), GFP_ATOMIC); if (!tag_map) goto fail; - memset(tag_index, 0, depth * sizeof(struct request *)); - memset(tag_map, 0, nr_ulongs * sizeof(unsigned long)); tags->real_max_depth = depth; tags->max_depth = depth; tags->tag_index = tag_index; @@ -2481,10 +2479,12 @@ void blk_execute_rq_nowait(request_queue_t *q, struct gendisk *bd_disk, rq->rq_disk = bd_disk; rq->flags |= REQ_NOMERGE; rq->end_io = done; - elv_add_request(q, rq, where, 1); - generic_unplug_device(q); + WARN_ON(irqs_disabled()); + spin_lock_irq(q->queue_lock); + __elv_add_request(q, rq, where, 1); + __generic_unplug_device(q); + spin_unlock_irq(q->queue_lock); } - EXPORT_SYMBOL_GPL(blk_execute_rq_nowait); /** |