diff options
| author | Yu Kuai <yukuai3@huawei.com> | 2025-05-06 14:17:55 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2025-05-06 07:42:27 -0600 |
| commit | d4099f8893b057ad7e8d61df76bdeaf807ebd679 (patch) | |
| tree | 7014d7430e34ec4fdf4a42206471dfbf27b0a97f | |
| parent | 0e8acffc1be10d53e909b3aa43831d6c2d25a579 (diff) | |
brd: fix aligned_sector from brd_do_discard()
The calculation is just wrong, fix it by round_up().
Fixes: 9ead7efc6f3f ("brd: implement discard support")
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20250506061756.2970934-3-yukuai1@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | drivers/block/brd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/block/brd.c b/drivers/block/brd.c index fc793d48a9c6..2753fb21410b 100644 --- a/drivers/block/brd.c +++ b/drivers/block/brd.c @@ -166,7 +166,7 @@ static void brd_free_one_page(struct rcu_head *head) static void brd_do_discard(struct brd_device *brd, sector_t sector, u32 size) { - sector_t aligned_sector = (sector + PAGE_SECTORS) & ~PAGE_SECTORS; + sector_t aligned_sector = round_up(sector, PAGE_SECTORS); struct page *page; size -= (aligned_sector - sector) * SECTOR_SIZE; |