diff options
| author |   Christoph Hellwig <hch@lst.de> | 2021-04-06 08:22:57 +0200 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2021-04-08 10:24:36 -0600 |
| commit | 6c4541a8bb94a1cccca55ee53c866eb72bf279cf (patch) | |
| tree | b6cf2a625cb966c30449fd60b0cade9f6851ca19 /block | |
| parent | block: take bd_mutex around delete_partitions in del_gendisk (diff) | |
| download | linux-dev-6c4541a8bb94a1cccca55ee53c866eb72bf279cf.tar.xz linux-dev-6c4541a8bb94a1cccca55ee53c866eb72bf279cf.zip | |
block: simplify partition removal
Always look up the first available entry instead of the complicated
stateful traversal.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20210406062303.811835-7-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
| -rw-r--r-- | block/partitions/core.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/block/partitions/core.c b/block/partitions/core.c index 9fbaec466b51..927144d4e59d 100644 --- a/block/partitions/core.c +++ b/block/partitions/core.c @@ -528,15 +528,17 @@ static bool disk_unlock_native_capacity(struct gendisk *disk) void blk_drop_partitions(struct gendisk *disk) { - struct disk_part_iter piter; struct block_device *part; + unsigned long idx; lockdep_assert_held(&disk->part0->bd_mutex); - disk_part_iter_init(&piter, disk, DISK_PITER_INCL_EMPTY); - while ((part = disk_part_iter_next(&piter))) + xa_for_each_start(&disk->part_tbl, idx, part, 1) { + if (!bdgrab(part)) + continue; delete_partition(part); - disk_part_iter_exit(&piter); + bdput(part); + } } static bool blk_add_partition(struct gendisk *disk, struct block_device *bdev, |