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null_blk: use kmap_local_page() and kunmap_local()

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Replace the deprecated API kmap_atomic() and kunmap_atomic() with
kmap_local_page() and kunmap_local() in null_flush_cache_page().

Signed-off-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20230330184926.64209-2-kch@nvidia.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Chaitanya Kulkarni 2023-03-30 11:49:26 -07:00 committed by Jens Axboe
parent fbb5615f9f
commit acc3c8799b
1 changed files with 4 additions and 4 deletions
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8
drivers/block/null_blk/main.c
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@ -1030,8 +1030,8 @@ static int null_flush_cache_page(struct nullb *nullb, struct nullb_page *c_page)
if (!t_page)
return -ENOMEM;
src = kmap_atomic(c_page->page);
dst = kmap_atomic(t_page->page);
src = kmap_local_page(c_page->page);
dst = kmap_local_page(t_page->page);
for (i = 0; i < PAGE_SECTORS;
i += (nullb->dev->blocksize >> SECTOR_SHIFT)) {
@ -1043,8 +1043,8 @@ static int null_flush_cache_page(struct nullb *nullb, struct nullb_page *c_page)
}
}
kunmap_atomic(dst);
kunmap_atomic(src);
kunmap_local(dst);
kunmap_local(src);
ret = radix_tree_delete_item(&nullb->dev->cache, idx, c_page);
null_free_page(ret);