diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-13 12:12:44 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-13 12:12:44 -0700 |
commit | 3ad11d7ac8872b1c8da54494721fad8907ee41f7 (patch) | |
tree | 439d7cb75466978be936250c65a27ff05e82d9bc /block/partitions | |
parent | 857d64485e7c920364688a8a6dd0ffe5774327b6 (diff) | |
parent | 8858e8d98d5457ba23bcd0d99ce23e272b8b09a1 (diff) |
Merge tag 'block-5.10-2020-10-12' of git://git.kernel.dk/linux-block
Pull block updates from Jens Axboe:
- Series of merge handling cleanups (Baolin, Christoph)
- Series of blk-throttle fixes and cleanups (Baolin)
- Series cleaning up BDI, seperating the block device from the
backing_dev_info (Christoph)
- Removal of bdget() as a generic API (Christoph)
- Removal of blkdev_get() as a generic API (Christoph)
- Cleanup of is-partition checks (Christoph)
- Series reworking disk revalidation (Christoph)
- Series cleaning up bio flags (Christoph)
- bio crypt fixes (Eric)
- IO stats inflight tweak (Gabriel)
- blk-mq tags fixes (Hannes)
- Buffer invalidation fixes (Jan)
- Allow soft limits for zone append (Johannes)
- Shared tag set improvements (John, Kashyap)
- Allow IOPRIO_CLASS_RT for CAP_SYS_NICE (Khazhismel)
- DM no-wait support (Mike, Konstantin)
- Request allocation improvements (Ming)
- Allow md/dm/bcache to use IO stat helpers (Song)
- Series improving blk-iocost (Tejun)
- Various cleanups (Geert, Damien, Danny, Julia, Tetsuo, Tian, Wang,
Xianting, Yang, Yufen, yangerkun)
* tag 'block-5.10-2020-10-12' of git://git.kernel.dk/linux-block: (191 commits)
block: fix uapi blkzoned.h comments
blk-mq: move cancel of hctx->run_work to the front of blk_exit_queue
blk-mq: get rid of the dead flush handle code path
block: get rid of unnecessary local variable
block: fix comment and add lockdep assert
blk-mq: use helper function to test hw stopped
block: use helper function to test queue register
block: remove redundant mq check
block: invoke blk_mq_exit_sched no matter whether have .exit_sched
percpu_ref: don't refer to ref->data if it isn't allocated
block: ratelimit handle_bad_sector() message
blk-throttle: Re-use the throtl_set_slice_end()
blk-throttle: Open code __throtl_de/enqueue_tg()
blk-throttle: Move service tree validation out of the throtl_rb_first()
blk-throttle: Move the list operation after list validation
blk-throttle: Fix IO hang for a corner case
blk-throttle: Avoid tracking latency if low limit is invalid
blk-throttle: Avoid getting the current time if tg->last_finish_time is 0
blk-throttle: Remove a meaningless parameter for throtl_downgrade_state()
block: Remove redundant 'return' statement
...
Diffstat (limited to 'block/partitions')
-rw-r--r-- | block/partitions/core.c | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/block/partitions/core.c b/block/partitions/core.c index 722406b841df..a02e22411594 100644 --- a/block/partitions/core.c +++ b/block/partitions/core.c @@ -199,14 +199,20 @@ static ssize_t part_alignment_offset_show(struct device *dev, struct device_attribute *attr, char *buf) { struct hd_struct *p = dev_to_part(dev); - return sprintf(buf, "%llu\n", (unsigned long long)p->alignment_offset); + + return sprintf(buf, "%u\n", + queue_limit_alignment_offset(&part_to_disk(p)->queue->limits, + p->start_sect)); } static ssize_t part_discard_alignment_show(struct device *dev, struct device_attribute *attr, char *buf) { struct hd_struct *p = dev_to_part(dev); - return sprintf(buf, "%u\n", p->discard_alignment); + + return sprintf(buf, "%u\n", + queue_limit_discard_alignment(&part_to_disk(p)->queue->limits, + p->start_sect)); } static DEVICE_ATTR(partition, 0444, part_partition_show, NULL); @@ -318,8 +324,9 @@ int hd_ref_init(struct hd_struct *part) * Must be called either with bd_mutex held, before a disk can be opened or * after all disk users are gone. */ -void delete_partition(struct gendisk *disk, struct hd_struct *part) +void delete_partition(struct hd_struct *part) { + struct gendisk *disk = part_to_disk(part); struct disk_part_tbl *ptbl = rcu_dereference_protected(disk->part_tbl, 1); @@ -327,7 +334,7 @@ void delete_partition(struct gendisk *disk, struct hd_struct *part) * ->part_tbl is referenced in this part's release handler, so * we have to hold the disk device */ - get_device(disk_to_dev(part_to_disk(part))); + get_device(disk_to_dev(disk)); rcu_assign_pointer(ptbl->part[part->partno], NULL); kobject_put(part->holder_dir); device_del(part_to_dev(part)); @@ -405,10 +412,6 @@ static struct hd_struct *add_partition(struct gendisk *disk, int partno, pdev = part_to_dev(p); p->start_sect = start; - p->alignment_offset = - queue_limit_alignment_offset(&disk->queue->limits, start); - p->discard_alignment = - queue_limit_discard_alignment(&disk->queue->limits, start); p->nr_sects = len; p->partno = partno; p->policy = get_disk_ro(disk); @@ -554,7 +557,7 @@ int bdev_del_partition(struct block_device *bdev, int partno) sync_blockdev(bdevp); invalidate_bdev(bdevp); - delete_partition(bdev->bd_disk, part); + delete_partition(part); ret = 0; out_unlock: mutex_unlock(&bdev->bd_mutex); @@ -577,7 +580,7 @@ int bdev_resize_partition(struct block_device *bdev, int partno, return -ENXIO; ret = -ENOMEM; - bdevp = bdget(part_devt(part)); + bdevp = bdget_part(part); if (!bdevp) goto out_put_part; @@ -592,8 +595,8 @@ int bdev_resize_partition(struct block_device *bdev, int partno, if (partition_overlaps(bdev->bd_disk, start, length, partno)) goto out_unlock; - part_nr_sects_write(part, (sector_t)length); - i_size_write(bdevp->bd_inode, length << SECTOR_SHIFT); + part_nr_sects_write(part, length); + bd_set_nr_sectors(bdevp, length); ret = 0; out_unlock: @@ -634,7 +637,7 @@ int blk_drop_partitions(struct block_device *bdev) disk_part_iter_init(&piter, bdev->bd_disk, DISK_PITER_INCL_EMPTY); while ((part = disk_part_iter_next(&piter))) - delete_partition(bdev->bd_disk, part); + delete_partition(part); disk_part_iter_exit(&piter); return 0; |