diff options
Diffstat (limited to 'drivers/block')
-rw-r--r-- | drivers/block/brd.c | 3 | ||||
-rw-r--r-- | drivers/block/drbd/drbd_nl.c | 2 | ||||
-rw-r--r-- | drivers/block/drbd/drbd_req.c | 5 | ||||
-rw-r--r-- | drivers/block/loop.c | 13 | ||||
-rw-r--r-- | drivers/block/null_blk/main.c | 7 | ||||
-rw-r--r-- | drivers/block/pktcdvd.c | 8 | ||||
-rw-r--r-- | drivers/block/ps3disk.c | 18 | ||||
-rw-r--r-- | drivers/block/ps3vram.c | 2 | ||||
-rw-r--r-- | drivers/block/rbd.c | 18 | ||||
-rw-r--r-- | drivers/block/sx8.c | 2 | ||||
-rw-r--r-- | drivers/block/virtio_blk.c | 16 |
11 files changed, 29 insertions, 65 deletions
diff --git a/drivers/block/brd.c b/drivers/block/brd.c index 95694113e38e..58ec167aa018 100644 --- a/drivers/block/brd.c +++ b/drivers/block/brd.c @@ -27,9 +27,6 @@ #include <linux/uaccess.h> -#define PAGE_SECTORS_SHIFT (PAGE_SHIFT - SECTOR_SHIFT) -#define PAGE_SECTORS (1 << PAGE_SECTORS_SHIFT) - /* * Each block ramdisk device has a radix_tree brd_pages of pages that stores * the pages containing the block device's contents. A brd page's ->index is diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index e7d0e637e632..44ccf8b4f4b2 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -1364,7 +1364,7 @@ static void drbd_setup_queue_param(struct drbd_device *device, struct drbd_backi if (b) { blk_stack_limits(&q->limits, &b->limits, 0); - blk_queue_update_readahead(q); + disk_update_readahead(device->vdisk); } fixup_discard_if_not_supported(q); fixup_write_zeroes(device, q); diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c index 13beb98a7c5a..5ca233644d70 100644 --- a/drivers/block/drbd/drbd_req.c +++ b/drivers/block/drbd/drbd_req.c @@ -905,13 +905,12 @@ static bool drbd_may_do_local_read(struct drbd_device *device, sector_t sector, static bool remote_due_to_read_balancing(struct drbd_device *device, sector_t sector, enum drbd_read_balancing rbm) { - struct backing_dev_info *bdi; int stripe_shift; switch (rbm) { case RB_CONGESTED_REMOTE: - bdi = device->ldev->backing_bdev->bd_disk->queue->backing_dev_info; - return bdi_read_congested(bdi); + return bdi_read_congested( + device->ldev->backing_bdev->bd_disk->bdi); case RB_LEAST_PENDING: return atomic_read(&device->local_cnt) > atomic_read(&device->ap_pending_cnt) + atomic_read(&device->rs_pending_cnt); diff --git a/drivers/block/loop.c b/drivers/block/loop.c index f0cdff0c5fbf..fa1c298a8cfb 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -774,6 +774,7 @@ static int loop_change_fd(struct loop_device *lo, struct block_device *bdev, goto out_err; /* and ... switch */ + disk_force_media_change(lo->lo_disk, DISK_EVENT_MEDIA_CHANGE); blk_mq_freeze_queue(lo->lo_queue); mapping_set_gfp_mask(old_file->f_mapping, lo->old_gfp_mask); lo->lo_backing_file = file; @@ -1257,6 +1258,7 @@ static int loop_configure(struct loop_device *lo, fmode_t mode, goto out_unlock; } + disk_force_media_change(lo->lo_disk, DISK_EVENT_MEDIA_CHANGE); set_disk_ro(lo->lo_disk, (lo->lo_flags & LO_FLAGS_READ_ONLY) != 0); INIT_WORK(&lo->rootcg_work, loop_rootcg_workfn); @@ -1304,10 +1306,6 @@ static int loop_configure(struct loop_device *lo, fmode_t mode, if (partscan) lo->lo_disk->flags &= ~GENHD_FL_NO_PART_SCAN; - /* Grab the block_device to prevent its destruction after we - * put /dev/loopXX inode. Later in __loop_clr_fd() we bdput(bdev). - */ - bdgrab(bdev); loop_global_unlock(lo, is_loop); if (partscan) loop_reread_partitions(lo); @@ -1398,7 +1396,6 @@ static int __loop_clr_fd(struct loop_device *lo, bool release) blk_queue_physical_block_size(lo->lo_queue, 512); blk_queue_io_min(lo->lo_queue, 512); if (bdev) { - bdput(bdev); invalidate_bdev(bdev); bdev->bd_inode->i_mapping->wb_err = 0; } @@ -1415,6 +1412,7 @@ static int __loop_clr_fd(struct loop_device *lo, bool release) partscan = lo->lo_flags & LO_FLAGS_PARTSCAN && bdev; lo_number = lo->lo_number; + disk_force_media_change(lo->lo_disk, DISK_EVENT_MEDIA_CHANGE); out_unlock: mutex_unlock(&lo->lo_mutex); if (partscan) { @@ -2335,7 +2333,8 @@ static int loop_add(int i) lo->tag_set.queue_depth = 128; lo->tag_set.numa_node = NUMA_NO_NODE; lo->tag_set.cmd_size = sizeof(struct loop_cmd); - lo->tag_set.flags = BLK_MQ_F_SHOULD_MERGE | BLK_MQ_F_STACKING; + lo->tag_set.flags = BLK_MQ_F_SHOULD_MERGE | BLK_MQ_F_STACKING | + BLK_MQ_F_NO_SCHED_BY_DEFAULT; lo->tag_set.driver_data = lo; err = blk_mq_alloc_tag_set(&lo->tag_set); @@ -2391,6 +2390,8 @@ static int loop_add(int i) disk->fops = &lo_fops; disk->private_data = lo; disk->queue = lo->lo_queue; + disk->events = DISK_EVENT_MEDIA_CHANGE; + disk->event_flags = DISK_EVENT_FLAG_UEVENT; sprintf(disk->disk_name, "loop%d", i); add_disk(disk); mutex_unlock(&loop_ctl_mutex); diff --git a/drivers/block/null_blk/main.c b/drivers/block/null_blk/main.c index d734e9ee1546..187d779c8ca0 100644 --- a/drivers/block/null_blk/main.c +++ b/drivers/block/null_blk/main.c @@ -11,10 +11,6 @@ #include <linux/init.h> #include "null_blk.h" -#define PAGE_SECTORS_SHIFT (PAGE_SHIFT - SECTOR_SHIFT) -#define PAGE_SECTORS (1 << PAGE_SECTORS_SHIFT) -#define SECTOR_MASK (PAGE_SECTORS - 1) - #define FREE_BATCH 16 #define TICKS_PER_SEC 50ULL @@ -1721,8 +1717,7 @@ static int null_gendisk_register(struct nullb *nullb) return ret; } - add_disk(disk); - return 0; + return add_disk(disk); } static int null_init_tag_set(struct nullb *nullb, struct blk_mq_tag_set *set) diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 538446b652de..0f26b2510a75 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -1183,10 +1183,8 @@ try_next_bio: wakeup = (pd->write_congestion_on > 0 && pd->bio_queue_size <= pd->write_congestion_off); spin_unlock(&pd->lock); - if (wakeup) { - clear_bdi_congested(pd->disk->queue->backing_dev_info, - BLK_RW_ASYNC); - } + if (wakeup) + clear_bdi_congested(pd->disk->bdi, BLK_RW_ASYNC); pkt->sleep_time = max(PACKET_WAIT_TIME, 1); pkt_set_state(pkt, PACKET_WAITING_STATE); @@ -2366,7 +2364,7 @@ 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(bio->bi_bdev->bd_disk->bdi, BLK_RW_ASYNC); do { spin_unlock(&pd->lock); congestion_wait(BLK_RW_ASYNC, HZ); diff --git a/drivers/block/ps3disk.c b/drivers/block/ps3disk.c index f374ea2c67ce..8d51efbe045d 100644 --- a/drivers/block/ps3disk.c +++ b/drivers/block/ps3disk.c @@ -83,26 +83,12 @@ static void ps3disk_scatter_gather(struct ps3_storage_device *dev, unsigned int offset = 0; struct req_iterator iter; struct bio_vec bvec; - unsigned int i = 0; - size_t size; - void *buf; rq_for_each_segment(bvec, req, iter) { - unsigned long flags; - dev_dbg(&dev->sbd.core, "%s:%u: bio %u: %u sectors from %llu\n", - __func__, __LINE__, i, bio_sectors(iter.bio), - iter.bio->bi_iter.bi_sector); - - size = bvec.bv_len; - buf = bvec_kmap_irq(&bvec, &flags); if (gather) - memcpy(dev->bounce_buf+offset, buf, size); + memcpy_from_bvec(dev->bounce_buf + offset, &bvec); else - memcpy(buf, dev->bounce_buf+offset, size); - offset += size; - flush_kernel_dcache_page(bvec.bv_page); - bvec_kunmap_irq(buf, &flags); - i++; + memcpy_to_bvec(&bvec, dev->bounce_buf + offset); } } diff --git a/drivers/block/ps3vram.c b/drivers/block/ps3vram.c index 7fbf469651c4..c7b19e128b03 100644 --- a/drivers/block/ps3vram.c +++ b/drivers/block/ps3vram.c @@ -541,7 +541,7 @@ static struct bio *ps3vram_do_bio(struct ps3_system_bus_device *dev, bio_for_each_segment(bvec, bio, iter) { /* PS3 is ppc64, so we don't handle highmem */ - char *ptr = page_address(bvec.bv_page) + bvec.bv_offset; + char *ptr = bvec_virt(&bvec); size_t len = bvec.bv_len, retlen; dev_dbg(&dev->core, " %s %zu bytes at offset %llu\n", op, diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 90b947c96402..e65c9d706f6f 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -1219,24 +1219,13 @@ static void rbd_dev_mapping_clear(struct rbd_device *rbd_dev) rbd_dev->mapping.size = 0; } -static void zero_bvec(struct bio_vec *bv) -{ - void *buf; - unsigned long flags; - - buf = bvec_kmap_irq(bv, &flags); - memset(buf, 0, bv->bv_len); - flush_dcache_page(bv->bv_page); - bvec_kunmap_irq(buf, &flags); -} - static void zero_bios(struct ceph_bio_iter *bio_pos, u32 off, u32 bytes) { struct ceph_bio_iter it = *bio_pos; ceph_bio_iter_advance(&it, off); ceph_bio_iter_advance_step(&it, bytes, ({ - zero_bvec(&bv); + memzero_bvec(&bv); })); } @@ -1246,7 +1235,7 @@ static void zero_bvecs(struct ceph_bvec_iter *bvec_pos, u32 off, u32 bytes) ceph_bvec_iter_advance(&it, off); ceph_bvec_iter_advance_step(&it, bytes, ({ - zero_bvec(&bv); + memzero_bvec(&bv); })); } @@ -2997,8 +2986,7 @@ static bool is_zero_bvecs(struct bio_vec *bvecs, u32 bytes) }; ceph_bvec_iter_advance_step(&it, bytes, ({ - if (memchr_inv(page_address(bv.bv_page) + bv.bv_offset, 0, - bv.bv_len)) + if (memchr_inv(bvec_virt(&bv), 0, bv.bv_len)) return false; })); return true; diff --git a/drivers/block/sx8.c b/drivers/block/sx8.c index 7b54353ee92b..420cd952ddc4 100644 --- a/drivers/block/sx8.c +++ b/drivers/block/sx8.c @@ -1373,7 +1373,7 @@ static void carm_free_disk(struct carm_host *host, unsigned int port_no) if (!disk) return; - if (disk->flags & GENHD_FL_UP) + if (host->state > HST_DEV_ACTIVATE) del_gendisk(disk); blk_cleanup_disk(disk); } diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index afb37aac09e8..57c6ae7debd9 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -166,11 +166,8 @@ static inline void virtblk_request_done(struct request *req) { struct virtblk_req *vbr = blk_mq_rq_to_pdu(req); - if (req->rq_flags & RQF_SPECIAL_PAYLOAD) { - kfree(page_address(req->special_vec.bv_page) + - req->special_vec.bv_offset); - } - + if (req->rq_flags & RQF_SPECIAL_PAYLOAD) + kfree(bvec_virt(&req->special_vec)); blk_mq_end_request(req, virtblk_result(vbr)); } @@ -844,7 +841,7 @@ static int virtblk_probe(struct virtio_device *vdev) "block size is changed unexpectedly, now is %u\n", blk_size); err = -EINVAL; - goto err_cleanup_disk; + goto out_cleanup_disk; } /* Use topology information if available */ @@ -902,10 +899,13 @@ static int virtblk_probe(struct virtio_device *vdev) virtblk_update_capacity(vblk, false); virtio_device_ready(vdev); - device_add_disk(&vdev->dev, vblk->disk, virtblk_attr_groups); + err = device_add_disk(&vdev->dev, vblk->disk, virtblk_attr_groups); + if (err) + goto out_cleanup_disk; + return 0; -err_cleanup_disk: +out_cleanup_disk: blk_cleanup_disk(vblk->disk); out_free_tags: blk_mq_free_tag_set(&vblk->tag_set); |