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zram: use bvec_set_page to initialize bvecs

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Use the bvec_set_page helper to initialize bvecs.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20230203150634.3199647-11-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2023-02-03 16:06:21 +01:00 committed by Jens Axboe
parent b831f3a103
commit 13ae4db0c0
1 changed files with 4 additions and 11 deletions
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15
drivers/block/zram/zram_drv.c
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@ -703,9 +703,7 @@ static ssize_t writeback_store(struct device *dev,
for (; nr_pages != 0; index++, nr_pages--) {
struct bio_vec bvec;
bvec.bv_page = page;
bvec.bv_len = PAGE_SIZE;
bvec.bv_offset = 0;
bvec_set_page(&bvec, page, PAGE_SIZE, 0);
spin_lock(&zram->wb_limit_lock);
if (zram->wb_limit_enable && !zram->bd_wb_limit) {
@ -1380,12 +1378,9 @@ out:
static int zram_bvec_read_from_bdev(struct zram *zram, struct page *page,
u32 index, struct bio *bio, bool partial_io)
{
struct bio_vec bvec = {
.bv_page = page,
.bv_len = PAGE_SIZE,
.bv_offset = 0,
};
struct bio_vec bvec;
bvec_set_page(&bvec, page, PAGE_SIZE, 0);
return read_from_bdev(zram, &bvec, zram_get_element(zram, index), bio,
partial_io);
}
@ -1652,9 +1647,7 @@ static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec,
memcpy_from_bvec(dst + offset, bvec);
kunmap_atomic(dst);
vec.bv_page = page;
vec.bv_len = PAGE_SIZE;
vec.bv_offset = 0;
bvec_set_page(&vec, page, PAGE_SIZE, 0);
}
ret = __zram_bvec_write(zram, &vec, index, bio);