diff options
33 files changed, 90 insertions, 86 deletions
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index fb59a3edc778..37fe595cfd70 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -184,7 +184,7 @@ static struct blkcg_gq *blkg_create(struct blkcg *blkcg, goto err_free_blkg; } - wb_congested = wb_congested_get_create(&q->backing_dev_info, + wb_congested = wb_congested_get_create(q->backing_dev_info, blkcg->css.id, GFP_NOWAIT | __GFP_NOWARN); if (!wb_congested) { @@ -469,8 +469,8 @@ static int blkcg_reset_stats(struct cgroup_subsys_state *css, const char *blkg_dev_name(struct blkcg_gq *blkg) { /* some drivers (floppy) instantiate a queue w/o disk registered */ - if (blkg->q->backing_dev_info.dev) - return dev_name(blkg->q->backing_dev_info.dev); + if (blkg->q->backing_dev_info->dev) + return dev_name(blkg->q->backing_dev_info->dev); return NULL; } EXPORT_SYMBOL_GPL(blkg_dev_name); diff --git a/block/blk-core.c b/block/blk-core.c index 3266daaa343f..dcac0352c14c 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -75,7 +75,7 @@ static void blk_clear_congested(struct request_list *rl, int sync) * flip its congestion state for events on other blkcgs. */ if (rl == &rl->q->root_rl) - clear_wb_congested(rl->q->backing_dev_info.wb.congested, sync); + clear_wb_congested(rl->q->backing_dev_info->wb.congested, sync); #endif } @@ -86,7 +86,7 @@ static void blk_set_congested(struct request_list *rl, int sync) #else /* see blk_clear_congested() */ if (rl == &rl->q->root_rl) - set_wb_congested(rl->q->backing_dev_info.wb.congested, sync); + set_wb_congested(rl->q->backing_dev_info->wb.congested, sync); #endif } @@ -117,7 +117,7 @@ struct backing_dev_info *blk_get_backing_dev_info(struct block_device *bdev) { struct request_queue *q = bdev_get_queue(bdev); - return &q->backing_dev_info; + return q->backing_dev_info; } EXPORT_SYMBOL(blk_get_backing_dev_info); @@ -575,7 +575,7 @@ void blk_cleanup_queue(struct request_queue *q) blk_flush_integrity(); /* @q won't process any more request, flush async actions */ - del_timer_sync(&q->backing_dev_info.laptop_mode_wb_timer); + del_timer_sync(&q->backing_dev_info->laptop_mode_wb_timer); blk_sync_queue(q); if (q->mq_ops) @@ -587,7 +587,7 @@ void blk_cleanup_queue(struct request_queue *q) q->queue_lock = &q->__queue_lock; spin_unlock_irq(lock); - bdi_unregister(&q->backing_dev_info); + bdi_unregister(q->backing_dev_info); /* @q is and will stay empty, shutdown and put */ blk_put_queue(q); @@ -728,17 +728,18 @@ struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id) if (!q->bio_split) goto fail_id; - q->backing_dev_info.ra_pages = + q->backing_dev_info = &q->_backing_dev_info; + q->backing_dev_info->ra_pages = (VM_MAX_READAHEAD * 1024) / PAGE_SIZE; - q->backing_dev_info.capabilities = BDI_CAP_CGROUP_WRITEBACK; - q->backing_dev_info.name = "block"; + q->backing_dev_info->capabilities = BDI_CAP_CGROUP_WRITEBACK; + q->backing_dev_info->name = "block"; q->node = node_id; - err = bdi_init(&q->backing_dev_info); + err = bdi_init(q->backing_dev_info); if (err) goto fail_split; - setup_timer(&q->backing_dev_info.laptop_mode_wb_timer, + setup_timer(&q->backing_dev_info->laptop_mode_wb_timer, laptop_mode_timer_fn, (unsigned long) q); setup_timer(&q->timeout, blk_rq_timed_out_timer, (unsigned long) q); INIT_LIST_HEAD(&q->queue_head); @@ -788,7 +789,7 @@ struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id) fail_ref: percpu_ref_exit(&q->q_usage_counter); fail_bdi: - bdi_destroy(&q->backing_dev_info); + bdi_destroy(q->backing_dev_info); fail_split: bioset_free(q->bio_split); fail_id: @@ -1182,7 +1183,7 @@ fail_elvpriv: * disturb iosched and blkcg but weird is bettern than dead. */ printk_ratelimited(KERN_WARNING "%s: dev %s: request aux data allocation failed, iosched may be disturbed\n", - __func__, dev_name(q->backing_dev_info.dev)); + __func__, dev_name(q->backing_dev_info->dev)); rq->rq_flags &= ~RQF_ELVPRIV; rq->elv.icq = NULL; @@ -2659,7 +2660,7 @@ void blk_finish_request(struct request *req, int error) BUG_ON(blk_queued_rq(req)); if (unlikely(laptop_mode) && !blk_rq_is_passthrough(req)) - laptop_io_completion(&req->q->backing_dev_info); + laptop_io_completion(req->q->backing_dev_info); blk_delete_timer(req); diff --git a/block/blk-integrity.c b/block/blk-integrity.c index d69c5c79f98e..9f0ff5ba4f84 100644 --- a/block/blk-integrity.c +++ b/block/blk-integrity.c @@ -443,10 +443,10 @@ void blk_integrity_revalidate(struct gendisk *disk) return; if (bi->profile) - disk->queue->backing_dev_info.capabilities |= + disk->queue->backing_dev_info->capabilities |= BDI_CAP_STABLE_WRITES; else - disk->queue->backing_dev_info.capabilities &= + disk->queue->backing_dev_info->capabilities &= ~BDI_CAP_STABLE_WRITES; } diff --git a/block/blk-settings.c b/block/blk-settings.c index 529e55f52a03..6eb19bcbf3cb 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -253,7 +253,7 @@ void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_secto max_sectors = min_not_zero(max_hw_sectors, limits->max_dev_sectors); max_sectors = min_t(unsigned int, max_sectors, BLK_DEF_MAX_SECTORS); limits->max_sectors = max_sectors; - q->backing_dev_info.io_pages = max_sectors >> (PAGE_SHIFT - 9); + q->backing_dev_info->io_pages = max_sectors >> (PAGE_SHIFT - 9); } EXPORT_SYMBOL(blk_queue_max_hw_sectors); diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index 894f77342fd4..05841be1f30f 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -89,7 +89,7 @@ queue_requests_store(struct request_queue *q, const char *page, size_t count) static ssize_t queue_ra_show(struct request_queue *q, char *page) { - unsigned long ra_kb = q->backing_dev_info.ra_pages << + unsigned long ra_kb = q->backing_dev_info->ra_pages << (PAGE_SHIFT - 10); return queue_var_show(ra_kb, (page)); @@ -104,7 +104,7 @@ queue_ra_store(struct request_queue *q, const char *page, size_t count) if (ret < 0) return ret; - q->backing_dev_info.ra_pages = ra_kb >> (PAGE_SHIFT - 10); + q->backing_dev_info->ra_pages = ra_kb >> (PAGE_SHIFT - 10); return ret; } @@ -236,7 +236,7 @@ queue_max_sectors_store(struct request_queue *q, const char *page, size_t count) spin_lock_irq(q->queue_lock); q->limits.max_sectors = max_sectors_kb << 1; - q->backing_dev_info.io_pages = max_sectors_kb >> (PAGE_SHIFT - 10); + q->backing_dev_info->io_pages = max_sectors_kb >> (PAGE_SHIFT - 10); spin_unlock_irq(q->queue_lock); return ret; @@ -799,7 +799,7 @@ static void blk_release_queue(struct kobject *kobj) container_of(kobj, struct request_queue, kobj); wbt_exit(q); - bdi_exit(&q->backing_dev_info); + bdi_exit(q->backing_dev_info); blkcg_exit_queue(q); if (q->elevator) { diff --git a/block/blk-wbt.c b/block/blk-wbt.c index f0a9c07b4c7a..1aedb1f7ee0c 100644 --- a/block/blk-wbt.c +++ b/block/blk-wbt.c @@ -96,7 +96,7 @@ static void wb_timestamp(struct rq_wb *rwb, unsigned long *var) */ static bool wb_recent_wait(struct rq_wb *rwb) { - struct bdi_writeback *wb = &rwb->queue->backing_dev_info.wb; + struct bdi_writeback *wb = &rwb->queue->backing_dev_info->wb; return time_before(jiffies, wb->dirty_sleep + HZ); } @@ -279,7 +279,7 @@ enum { static int __latency_exceeded(struct rq_wb *rwb, struct blk_rq_stat *stat) { - struct backing_dev_info *bdi = &rwb->queue->backing_dev_info; + struct backing_dev_info *bdi = rwb->queue->backing_dev_info; u64 thislat; /* @@ -339,7 +339,7 @@ static int latency_exceeded(struct rq_wb *rwb) static void rwb_trace_step(struct rq_wb *rwb, const char *msg) { - struct backing_dev_info *bdi = &rwb->queue->backing_dev_info; + struct backing_dev_info *bdi = rwb->queue->backing_dev_info; trace_wbt_step(bdi, msg, rwb->scale_step, rwb->cur_win_nsec, rwb->wb_background, rwb->wb_normal, rwb->wb_max); @@ -423,7 +423,7 @@ static void wb_timer_fn(unsigned long data) status = latency_exceeded(rwb); - trace_wbt_timer(&rwb->queue->backing_dev_info, status, rwb->scale_step, + trace_wbt_timer(rwb->queue->backing_dev_info, status, rwb->scale_step, inflight); /* diff --git a/block/genhd.c b/block/genhd.c index f2f22d0e8e14..d9ccd42f3675 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -613,7 +613,7 @@ void device_add_disk(struct device *parent, struct gendisk *disk) disk_alloc_events(disk); /* Register BDI before referencing it from bdev */ - bdi = &disk->queue->backing_dev_info; + bdi = disk->queue->backing_dev_info; bdi_register_owner(bdi, disk_to_dev(disk)); blk_register_region(disk_devt(disk), disk->minors, NULL, diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c index ec9d8610b25f..027b876370bc 100644 --- a/drivers/block/aoe/aoeblk.c +++ b/drivers/block/aoe/aoeblk.c @@ -396,8 +396,8 @@ aoeblk_gdalloc(void *vp) WARN_ON(d->gd); WARN_ON(d->flags & DEVFL_UP); blk_queue_max_hw_sectors(q, BLK_DEF_MAX_SECTORS); - q->backing_dev_info.name = "aoe"; - q->backing_dev_info.ra_pages = READ_AHEAD / PAGE_SIZE; + q->backing_dev_info->name = "aoe"; + q->backing_dev_info->ra_pages = READ_AHEAD / PAGE_SIZE; d->bufpool = mp; d->blkq = gd->queue = q; q->queuedata = d; diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 83482721bc01..d305f05be648 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -2462,7 +2462,7 @@ static int drbd_congested(void *congested_data, int bdi_bits) if (get_ldev(device)) { q = bdev_get_queue(device->ldev->backing_bdev); - r = bdi_congested(&q->backing_dev_info, bdi_bits); + r = bdi_congested(q->backing_dev_info, bdi_bits); put_ldev(device); if (r) reason = 'b'; @@ -2834,8 +2834,8 @@ enum drbd_ret_code drbd_create_device(struct drbd_config_context *adm_ctx, unsig /* we have no partitions. we contain only ourselves. */ device->this_bdev->bd_contains = device->this_bdev; - q->backing_dev_info.congested_fn = drbd_congested; - q->backing_dev_info.congested_data = device; + q->backing_dev_info->congested_fn = drbd_congested; + q->backing_dev_info->congested_data = device; blk_queue_make_request(q, drbd_make_request); blk_queue_write_cache(q, true, true); diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index f35db29cac76..908c704e20aa 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -1328,11 +1328,13 @@ static void drbd_setup_queue_param(struct drbd_device *device, struct drbd_backi if (b) { blk_queue_stack_limits(q, b); - if (q->backing_dev_info.ra_pages != b->backing_dev_info.ra_pages) { + if (q->backing_dev_info->ra_pages != + b->backing_dev_info->ra_pages) { drbd_info(device, "Adjusting my ra_pages to backing device's (%lu -> %lu)\n", - q->backing_dev_info.ra_pages, - b->backing_dev_info.ra_pages); - q->backing_dev_info.ra_pages = b->backing_dev_info.ra_pages; + q->backing_dev_info->ra_pages, + b->backing_dev_info->ra_pages); + q->backing_dev_info->ra_pages = + b->backing_dev_info->ra_pages; } } fixup_discard_if_not_supported(q); @@ -3345,7 +3347,7 @@ static void device_to_statistics(struct device_statistics *s, s->dev_disk_flags = md->flags; q = bdev_get_queue(device->ldev->backing_bdev); s->dev_lower_blocked = - bdi_congested(&q->backing_dev_info, + bdi_congested(q->backing_dev_info, (1 << WB_async_congested) | (1 << WB_sync_congested)); put_ldev(device); diff --git a/drivers/block/drbd/drbd_proc.c b/drivers/block/drbd/drbd_proc.c index be2b93fd2c11..8378142f7a55 100644 --- a/drivers/block/drbd/drbd_proc.c +++ b/drivers/block/drbd/drbd_proc.c @@ -288,7 +288,7 @@ static int drbd_seq_show(struct seq_file *seq, void *v) seq_printf(seq, "%2d: cs:Unconfigured\n", i); } else { /* reset device->congestion_reason */ - bdi_rw_congested(&device->rq_queue->backing_dev_info); + bdi_rw_congested(device->rq_queue->backing_dev_info); nc = rcu_dereference(first_peer_device(device)->connection->net_conf); wp = nc ? nc->wire_protocol - DRBD_PROT_A + 'A' : ' '; diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c index de279fe4e4fd..cb6bdb75d52d 100644 --- a/drivers/block/drbd/drbd_req.c +++ b/drivers/block/drbd/drbd_req.c @@ -938,7 +938,7 @@ static bool remote_due_to_read_balancing(struct drbd_device *device, sector_t se switch (rbm) { case RB_CONGESTED_REMOTE: - bdi = &device->ldev->backing_bdev->bd_disk->queue->backing_dev_info; + bdi = device->ldev->backing_bdev->bd_disk->queue->backing_dev_info; return bdi_read_congested(bdi); case RB_LEAST_PENDING: return atomic_read(&device->local_cnt) > diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index f4bd95943dc2..66d846ba85a9 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -1243,7 +1243,7 @@ try_next_bio: && pd->bio_queue_size <= pd->write_congestion_off); spin_unlock(&pd->lock); if (wakeup) { - clear_bdi_congested(&pd->disk->queue->backing_dev_info, + clear_bdi_congested(pd->disk->queue->backing_dev_info, BLK_RW_ASYNC); } @@ -2370,7 +2370,7 @@ static void pkt_make_request_write(struct request_queue *q, struct bio *bio) spin_lock(&pd->lock); if (pd->write_congestion_on > 0 && pd->bio_queue_size >= pd->write_congestion_on) { - set_bdi_congested(&q->backing_dev_info, BLK_RW_ASYNC); + set_bdi_congested(q->backing_dev_info, BLK_RW_ASYNC); do { spin_unlock(&pd->lock); congestion_wait(BLK_RW_ASYNC, HZ); diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 4d78cf605b21..588721f30a22 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -4526,7 +4526,7 @@ static int rbd_init_disk(struct rbd_device *rbd_dev) q->limits.discard_zeroes_data = 1; if (!ceph_test_opt(rbd_dev->rbd_client->client, NOCRC)) - q->backing_dev_info.capabilities |= BDI_CAP_STABLE_WRITES; + q->backing_dev_info->capabilities |= BDI_CAP_STABLE_WRITES; disk->queue = q; diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c index 01035e718c1c..709c9cc34369 100644 --- a/drivers/md/bcache/request.c +++ b/drivers/md/bcache/request.c @@ -1009,7 +1009,7 @@ static int cached_dev_congested(void *data, int bits) struct request_queue *q = bdev_get_queue(dc->bdev); int ret = 0; - if (bdi_congested(&q->backing_dev_info, bits)) + if (bdi_congested(q->backing_dev_info, bits)) return 1; if (cached_dev_get(dc)) { @@ -1018,7 +1018,7 @@ static int cached_dev_congested(void *data, int bits) for_each_cache(ca, d->c, i) { q = bdev_get_queue(ca->bdev); - ret |= bdi_congested(&q->backing_dev_info, bits); + ret |= bdi_congested(q->backing_dev_info, bits); } cached_dev_put(dc); @@ -1032,7 +1032,7 @@ void bch_cached_dev_request_init(struct cached_dev *dc) struct gendisk *g = dc->disk.disk; g->queue->make_request_fn = cached_dev_make_request; - g->queue->backing_dev_info.congested_fn = cached_dev_congested; + g->queue->backing_dev_info->congested_fn = cached_dev_congested; dc->disk.cache_miss = cached_dev_cache_miss; dc->disk.ioctl = cached_dev_ioctl; } @@ -1125,7 +1125,7 @@ static int flash_dev_congested(void *data, int bits) for_each_cache(ca, d->c, i) { q = bdev_get_queue(ca->bdev); - ret |= bdi_congested(&q->backing_dev_info, bits); + ret |= bdi_congested(q->backing_dev_info, bits); } return ret; @@ -1136,7 +1136,7 @@ void bch_flash_dev_request_init(struct bcache_device *d) struct gendisk *g = d->disk; g->queue->make_request_fn = flash_dev_make_request; - g->queue->backing_dev_info.congested_fn = flash_dev_congested; + g->queue->backing_dev_info->congested_fn = flash_dev_congested; d->cache_miss = flash_dev_cache_miss; d->ioctl = flash_dev_ioctl; } diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index 3a19cbc8b230..85e3f21c2514 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -807,7 +807,7 @@ static int bcache_device_init(struct bcache_device *d, unsigned block_size, blk_queue_make_request(q, NULL); d->disk->queue = q; q->queuedata = d; - q->backing_dev_info.congested_data = d; + q->backing_dev_info->congested_data = d; q->limits.max_hw_sectors = UINT_MAX; q->limits.max_sectors = UINT_MAX; q->limits.max_segment_size = UINT_MAX; @@ -1132,9 +1132,9 @@ static int cached_dev_init(struct cached_dev *dc, unsigned block_size) set_capacity(dc->disk.disk, dc->bdev->bd_part->nr_sects - dc->sb.data_offset); - dc->disk.disk->queue->backing_dev_info.ra_pages = - max(dc->disk.disk->queue->backing_dev_info.ra_pages, - q->backing_dev_info.ra_pages); + dc->disk.disk->queue->backing_dev_info->ra_pages = + max(dc->disk.disk->queue->backing_dev_info->ra_pages, + q->backing_dev_info->ra_pages); bch_cached_dev_request_init(dc); bch_cached_dev_writeback_init(dc); diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c index 5b9cf56de8ef..894bc14469c8 100644 --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -2284,7 +2284,7 @@ static void do_waker(struct work_struct *ws) static int is_congested(struct dm_dev *dev, int bdi_bits) { struct request_queue *q = bdev_get_queue(dev->bdev); - return bdi_congested(&q->backing_dev_info, bdi_bits); + return bdi_congested(q->backing_dev_info, bdi_bits); } static int cache_is_congested(struct dm_target_callbacks *cb, int bdi_bits) diff --git a/drivers/md/dm-era-target.c b/drivers/md/dm-era-target.c index bf2b2676cb8a..9fab33b113c4 100644 --- a/drivers/md/dm-era-target.c +++ b/drivers/md/dm-era-target.c @@ -1379,7 +1379,7 @@ static void stop_worker(struct era *era) static int dev_is_congested(struct dm_dev *dev, int bdi_bits) { struct request_queue *q = bdev_get_queue(dev->bdev); - return bdi_congested(&q->backing_dev_info, bdi_bits); + return bdi_congested(q->backing_dev_info, bdi_bits); } static int era_is_congested(struct dm_target_callbacks *cb, int bdi_bits) diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 0a427de23ed2..3ad16d9c9d5a 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -1750,7 +1750,7 @@ int dm_table_any_congested(struct dm_table *t, int bdi_bits) char b[BDEVNAME_SIZE]; if (likely(q)) - r |= bdi_congested(&q->backing_dev_info, bdi_bits); + r |= bdi_congested(q->backing_dev_info, bdi_bits); else DMWARN_LIMIT("%s: any_congested: nonexistent device %s", dm_device_name(t->md), diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index 110982db4b48..2b266a2b5035 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -2711,7 +2711,7 @@ static int pool_is_congested(struct dm_target_callbacks *cb, int bdi_bits) return 1; q = bdev_get_queue(pt->data_dev->bdev); - return bdi_congested(&q->backing_dev_info, bdi_bits); + return bdi_congested(q->backing_dev_info, bdi_bits); } static void requeue_bios(struct pool *pool) diff --git a/drivers/md/dm.c b/drivers/md/dm.c index ff4a29a97ad3..9e958bc94fed 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1313,7 +1313,7 @@ static int dm_any_congested(void *congested_data, int bdi_bits) * With request-based DM we only need to check the * top-level queue for congestion. */ - r = md->queue->backing_dev_info.wb.state & bdi_bits; + r = md->queue->backing_dev_info->wb.state & bdi_bits; } else { map = dm_get_live_table_fast(md); if (map) @@ -1396,7 +1396,7 @@ void dm_init_md_queue(struct mapped_device *md) * - must do so here (in alloc_dev callchain) before queue is used */ md->queue->queuedata = md; - md->queue->backing_dev_info.congested_data = md; + md->queue->backing_dev_info->congested_data = md; } void dm_init_normal_md_queue(struct mapped_device *md) @@ -1407,7 +1407,7 @@ void dm_init_normal_md_queue(struct mapped_device *md) /* * Initialize aspects of queue that aren't relevant for blk-mq */ - md->queue->backing_dev_info.congested_fn = dm_any_congested; + md->queue->backing_dev_info->congested_fn = dm_any_congested; blk_queue_bounce_limit(md->queue, BLK_BOUNCE_ANY); } diff --git a/drivers/md/linear.c b/drivers/md/linear.c index 5975c9915684..f1c7bbac31a5 100644 --- a/drivers/md/linear.c +++ b/drivers/md/linear.c @@ -62,7 +62,7 @@ static int linear_congested(struct mddev *mddev, int bits) for (i = 0; i < mddev->raid_disks && !ret ; i++) { struct request_queue *q = bdev_get_queue(conf->disks[i].rdev->bdev); - ret |= bdi_congested(&q->backing_dev_info, bits); + ret |= bdi_congested(q->backing_dev_info, bits); } return ret; diff --git a/drivers/md/md.c b/drivers/md/md.c index 82821ee0d57f..ede3b2ad45db 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -5341,8 +5341,8 @@ int md_run(struct mddev *mddev) queue_flag_set_unlocked(QUEUE_FLAG_NONROT, mddev->queue); else queue_flag_clear_unlocked(QUEUE_FLAG_NONROT, mddev->queue); - mddev->queue->backing_dev_info.congested_data = mddev; - mddev->queue->backing_dev_info.congested_fn = md_congested; + mddev->queue->backing_dev_info->congested_data = mddev; + mddev->queue->backing_dev_info->congested_fn = md_congested; } if (pers->sync_request) { if (mddev->kobj.sd && @@ -5699,7 +5699,7 @@ static int do_md_stop(struct mddev *mddev, int mode, __md_stop_writes(mddev); __md_stop(mddev); - mddev->queue->backing_dev_info.congested_fn = NULL; + mddev->queue->backing_dev_info->congested_fn = NULL; /* tell userspace to handle 'inactive' */ sysfs_notify_dirent_safe(mddev->sysfs_state); diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c index aa8c4e5c1ee2..d457afa672d5 100644 --- a/drivers/md/multipath.c +++ b/drivers/md/multipath.c @@ -169,7 +169,7 @@ static int multipath_congested(struct mddev *mddev, int bits) if (rdev && !test_bit(Faulty, &rdev->flags)) { struct request_queue *q = bdev_get_queue(rdev->bdev); - ret |= bdi_congested(&q->backing_dev_info, bits); + ret |= bdi_congested(q->backing_dev_info, bits); /* Just like multipath_map, we just check the * first available device */ diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index 848365d474f3..d6585239bff2 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -41,7 +41,7 @@ static int raid0_congested(struct mddev *mddev, int bits) for (i = 0; i < raid_disks && !ret ; i++) { struct request_queue *q = bdev_get_queue(devlist[i]->bdev); - ret |= bdi_congested(&q->backing_dev_info, bits); + ret |= bdi_congested(q->backing_dev_info, bits); } return ret; } @@ -420,8 +420,8 @@ static int raid0_run(struct mddev *mddev) */ int stripe = mddev->raid_disks * (mddev->chunk_sectors << 9) / PAGE_SIZE; - if (mddev->queue->backing_dev_info.ra_pages < 2* stripe) - mddev->queue->backing_dev_info.ra_pages = 2* stripe; + if (mddev->queue->backing_dev_info->ra_pages < 2* stripe) + mddev->queue->backing_dev_info->ra_pages = 2* stripe; } dump_zones(mddev); diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 67b0365d49b5..830ff2b20346 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -744,9 +744,9 @@ static int raid1_congested(struct mddev *mddev, int bits) * non-congested targets, it can be removed */ if ((bits & (1 << WB_async_congested)) || 1) - ret |= bdi_congested(&q->backing_dev_info, bits); + ret |= bdi_congested(q->backing_dev_info, bits); else - ret &= bdi_congested(&q->backing_dev_info, bits); + ret &= bdi_congested(q->backing_dev_info, bits); } } rcu_read_unlock(); diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 1920756828df..6bc5c2a85160 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -860,7 +860,7 @@ static int raid10_congested(struct mddev *mddev, int bits) if (rdev && !test_bit(Faulty, &rdev->flags)) { struct request_queue *q = bdev_get_queue(rdev->bdev); - ret |= bdi_congested(&q->backing_dev_info, bits); + ret |= bdi_congested(q->backing_dev_info, bits); } } rcu_read_unlock(); @@ -3841,8 +3841,8 @@ static int raid10_run(struct mddev *mddev) * maybe... */ stripe /= conf->geo.near_copies; - if (mddev->queue->backing_dev_info.ra_pages < 2 * stripe) - mddev->queue->backing_dev_info.ra_pages = 2 * stripe; + if (mddev->queue->backing_dev_info->ra_pages < 2 * stripe) + mddev->queue->backing_dev_info->ra_pages = 2 * stripe; } if (md_integrity_register(mddev)) @@ -4643,8 +4643,8 @@ static void end_reshape(struct r10conf *conf) int stripe = conf->geo.raid_disks * ((conf->mddev->chunk_sectors << 9) / PAGE_SIZE); stripe /= conf->geo.near_copies; - if (conf->mddev->queue->backing_dev_info.ra_pages < 2 * stripe) - conf->mddev->queue->backing_dev_info.ra_pages = 2 * stripe; + if (conf->mddev->queue->backing_dev_info->ra_pages < 2 * stripe) + conf->mddev->queue->backing_dev_info->ra_pages = 2 * stripe; } conf->fullsync = 0; } diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 36c13e4be9c9..c0312d3f516a 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -6264,10 +6264,10 @@ raid5_store_skip_copy(struct mddev *mddev, const char *page, size_t len) mddev_suspend(mddev); conf->skip_copy = new; if (new) - mddev->queue->backing_dev_info.capabilities |= + mddev->queue->backing_dev_info->capabilities |= BDI_CAP_STABLE_WRITES; else - mddev->queue->backing_dev_info.capabilities &= + mddev->queue->backing_dev_info->capabilities &= ~BDI_CAP_STABLE_WRITES; mddev_resume(mddev); } @@ -7086,8 +7086,8 @@ static int raid5_run(struct mddev *mddev) int data_disks = conf->previous_raid_disks - conf->max_degraded; int stripe = data_disks * ((mddev->chunk_sectors << 9) / PAGE_SIZE); - if (mddev->queue->backing_dev_info.ra_pages < 2 * stripe) - mddev->queue->backing_dev_info.ra_pages = 2 * stripe; + if (mddev->queue->backing_dev_info->ra_pages < 2 * stripe) + mddev->queue->backing_dev_info->ra_pages = 2 * stripe; chunk_size = mddev->chunk_sectors << 9; blk_queue_io_min(mddev->queue, chunk_size); @@ -7696,8 +7696,8 @@ static void end_reshape(struct r5conf *conf) int data_disks = conf->raid_disks - conf->max_degraded; int stripe = data_disks * ((conf->chunk_sectors << 9) / PAGE_SIZE); - if (conf->mddev->queue->backing_dev_info.ra_pages < 2 * stripe) - conf->mddev->queue->backing_dev_info.ra_pages = 2 * stripe; + if (conf->mddev->queue->backing_dev_info->ra_pages < 2 * stripe) + conf->mddev->queue->backing_dev_info->ra_pages = 2 * stripe; } } } diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index a34308df927f..c0e5b9a8bf5f 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -1226,7 +1226,7 @@ static int set_gfs2_super(struct super_block *s, void *data) * We set the bdi here to the queue backing, file systems can * overwrite this in ->fill_super() */ - s->s_bdi = &bdev_get_queue(s->s_bdev)->backing_dev_info; + s->s_bdi = bdev_get_queue(s->s_bdev)->backing_dev_info; return 0; } diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c index 12eeae62a2b1..e1872f36147f 100644 --- a/fs/nilfs2/super.c +++ b/fs/nilfs2/super.c @@ -1068,7 +1068,7 @@ nilfs_fill_super(struct super_block *sb, void *data, int silent) sb->s_time_gran = 1; sb->s_max_links = NILFS_LINK_MAX; - sb->s_bdi = &bdev_get_queue(sb->s_bdev)->backing_dev_info; + sb->s_bdi = bdev_get_queue(sb->s_bdev)->backing_dev_info; err = load_nilfs(nilfs, sb); if (err) diff --git a/fs/super.c b/fs/super.c index 1709ed029a2c..ea662b0e5e78 100644 --- a/fs/super.c +++ b/fs/super.c @@ -1047,7 +1047,7 @@ static int set_bdev_super(struct super_block *s, void *data) * We set the bdi here to the queue backing, file systems can * overwrite this in ->fill_super() */ - s->s_bdi = &bdev_get_queue(s->s_bdev)->backing_dev_info; + s->s_bdi = bdev_get_queue(s->s_bdev)->backing_dev_info; return 0; } diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 11f7a8e86a89..a75e42de34ab 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -432,7 +432,8 @@ struct request_queue { */ struct delayed_work delay_work; - struct backing_dev_info backing_dev_info; + struct backing_dev_info *backing_dev_info; + struct backing_dev_info _backing_dev_info; /* * The queue owner gets to use this for whatever they like. diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 290e8b7d3181..216449825859 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -1988,11 +1988,11 @@ void laptop_mode_timer_fn(unsigned long data) * We want to write everything out, not just down to the dirty * threshold */ - if (!bdi_has_dirty_io(&q->backing_dev_info)) + if (!bdi_has_dirty_io(q->backing_dev_info)) return; rcu_read_lock(); - list_for_each_entry_rcu(wb, &q->backing_dev_info.wb_list, bdi_node) + list_for_each_entry_rcu(wb, &q->backing_dev_info->wb_list, bdi_node) if (wb_has_dirty_io(wb)) wb_start_writeback(wb, nr_pages, true, WB_REASON_LAPTOP_TIMER); |