Pull core block updates from Jens Axboe: "Another nice round of removing more code than what is added, mostly due to Christoph's relentless pursuit of tech debt removal/cleanups. This pull request contains: - Two series of BFQ improvements (Paolo, Jan, Jia) - Block iov_iter improvements (Pavel) - bsg error path fix (Pan) - blk-mq scheduler improvements (Jan) - -EBUSY discard fix (Jan) - bvec allocation improvements (Ming, Christoph) - bio allocation and init improvements (Christoph) - Store bdev pointer in bio instead of gendisk + partno (Christoph) - Block trace point cleanups (Christoph) - hard read-only vs read-only split (Christoph) - Block based swap cleanups (Christoph) - Zoned write granularity support (Damien) - Various fixes/tweaks (Chunguang, Guoqing, Lei, Lukas, Huhai)" * tag 'for-5.12/block-2021-02-17' of git://git.kernel.dk/linux-block: (104 commits) mm: simplify swapdev_block sd_zbc: clear zone resources for non-zoned case block: introduce blk_queue_clear_zone_settings() zonefs: use zone write granularity as block size block: introduce zone_write_granularity limit block: use blk_queue_set_zoned in add_partition() nullb: use blk_queue_set_zoned() to setup zoned devices nvme: cleanup zone information initialization block: document zone_append_max_bytes attribute block: use bi_max_vecs to find the bvec pool md/raid10: remove dead code in reshape_request block: mark the bio as cloned in bio_iov_bvec_set block: set BIO_NO_PAGE_REF in bio_iov_bvec_set block: remove a layer of indentation in bio_iov_iter_get_pages block: turn the nr_iovecs argument to bio_alloc* into an unsigned short block: remove the 1 and 4 vec bvec_slabs entries block: streamline bvec_alloc block: factor out a bvec_alloc_gfp helper block: move struct biovec_slab to bio.c block: reuse BIO_INLINE_VECS for integrity bvecs ...
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| @@ -903,7 +903,7 @@ static void blk_add_trace_bio(struct request_queue *q, struct bio *bio, · 902 unmodified lines | |||
| 903 | 903 | ||
| 904 | static void blk_add_trace_bio_bounce(void *ignore, struct bio *bio) | 904 | static void blk_add_trace_bio_bounce(void *ignore, struct bio *bio) |
| 905 | { | 905 | { |
| 906 | blk_add_trace_bio(bio->bi_disk->queue, bio, BLK_TA_BOUNCE, 0); | 906 | blk_add_trace_bio(bio->bi_bdev->bd_disk->queue, bio, BLK_TA_BOUNCE, 0); |
| 907 | } | 907 | } |
| 908 | 908 | ||
| 909 | static void blk_add_trace_bio_complete(void *ignore, | 909 | static void blk_add_trace_bio_complete(void *ignore, |
| @@ -915,22 +915,24 @@ static void blk_add_trace_bio_complete(void *ignore, · 5 unmodified lines | |||
| 915 | 915 | ||
| 916 | static void blk_add_trace_bio_backmerge(void *ignore, struct bio *bio) | 916 | static void blk_add_trace_bio_backmerge(void *ignore, struct bio *bio) |
| 917 | { | 917 | { |
| 918 | blk_add_trace_bio(bio->bi_disk->queue, bio, BLK_TA_BACKMERGE, 0); | 918 | blk_add_trace_bio(bio->bi_bdev->bd_disk->queue, bio, BLK_TA_BACKMERGE, |
| 919 | 0); | ||
| 919 | } | 920 | } |
| 920 | 921 | ||
| 921 | static void blk_add_trace_bio_frontmerge(void *ignore, struct bio *bio) | 922 | static void blk_add_trace_bio_frontmerge(void *ignore, struct bio *bio) |
| 922 | { | 923 | { |
| 923 | blk_add_trace_bio(bio->bi_disk->queue, bio, BLK_TA_FRONTMERGE, 0); | 924 | blk_add_trace_bio(bio->bi_bdev->bd_disk->queue, bio, BLK_TA_FRONTMERGE, |
| 925 | 0); | ||
| 924 | } | 926 | } |
| 925 | 927 | ||
| 926 | static void blk_add_trace_bio_queue(void *ignore, struct bio *bio) | 928 | static void blk_add_trace_bio_queue(void *ignore, struct bio *bio) |
| 927 | { | 929 | { |
| 928 | blk_add_trace_bio(bio->bi_disk->queue, bio, BLK_TA_QUEUE, 0); | 930 | blk_add_trace_bio(bio->bi_bdev->bd_disk->queue, bio, BLK_TA_QUEUE, 0); |
| 929 | } | 931 | } |
| 930 | 932 | ||
| 931 | static void blk_add_trace_getrq(void *ignore, struct bio *bio) | 933 | static void blk_add_trace_getrq(void *ignore, struct bio *bio) |
| 932 | { | 934 | { |
| 933 | blk_add_trace_bio(bio->bi_disk->queue, bio, BLK_TA_GETRQ, 0); | 935 | blk_add_trace_bio(bio->bi_bdev->bd_disk->queue, bio, BLK_TA_GETRQ, 0); |
| 934 | } | 936 | } |
| 935 | 937 | ||
| 936 | static void blk_add_trace_plug(void *ignore, struct request_queue *q) | 938 | static void blk_add_trace_plug(void *ignore, struct request_queue *q) |
| @@ -967,7 +969,7 @@ static void blk_add_trace_unplug(void *ignore, struct request_queue *q, · 30 unmodified lines | |||
| 967 | 969 | ||
| 968 | static void blk_add_trace_split(void *ignore, struct bio *bio, unsigned int pdu) | 970 | static void blk_add_trace_split(void *ignore, struct bio *bio, unsigned int pdu) |
| 969 | { | 971 | { |
| 970 | struct request_queue *q = bio->bi_disk->queue; | 972 | struct request_queue *q = bio->bi_bdev->bd_disk->queue; |
| 971 | struct blk_trace *bt; | 973 | struct blk_trace *bt; |
| 972 | 974 | ||
| 973 | rcu_read_lock(); | 975 | rcu_read_lock(); |
| @@ -997,7 +999,7 @@ static void blk_add_trace_split(void *ignore, struct bio *bio, unsigned int pdu) · 23 unmodified lines | |||
| 997 | static void blk_add_trace_bio_remap(void *ignore, struct bio *bio, dev_t dev, | 999 | static void blk_add_trace_bio_remap(void *ignore, struct bio *bio, dev_t dev, |
| 998 | sector_t from) | 1000 | sector_t from) |
| 999 | { | 1001 | { |
| 1000 | struct request_queue *q = bio->bi_disk->queue; | 1002 | struct request_queue *q = bio->bi_bdev->bd_disk->queue; |
| 1001 | struct blk_trace *bt; | 1003 | struct blk_trace *bt; |
| 1002 | struct blk_io_trace_remap r; | 1004 | struct blk_io_trace_remap r; |
| 1003 | 1005 | ||