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null_blk: add lock drop/acquire annotation

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sparse complains:

drivers/block/null_blk_main.c:816:24: sparse: context imbalance in 'null_insert_page' - unexpected unlock

Fix it by adding the necessary annotations to the function.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2018-08-09 14:22:41 -06:00
parent 991f61fe7e
commit 61884de08f
1 changed files with 3 additions and 1 deletions
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4
drivers/block/null_blk_main.c
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@ -804,7 +804,9 @@ static struct nullb_page *null_lookup_page(struct nullb *nullb,
}
static struct nullb_page *null_insert_page(struct nullb *nullb,
sector_t sector, bool ignore_cache)
sector_t sector, bool ignore_cache)
__releases(&nullb->lock)
__acquires(&nullb->lock)
{
u64 idx;
struct nullb_page *t_page;