diff options
| author | Christoph Hellwig <hch@lst.de> | 2023-04-11 19:14:45 +0200 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-04-18 16:29:57 -0700 |
| commit | 0120dd6e4e202e19a0e011e486fb2da40a5ea279 (patch) | |
| tree | 4792263bbe2ffbbd15e4c94bff8df74d8b51f1b9 /drivers/block/zram | |
| parent | 9fe95babc7420722d39a1ded379027a1e1825d3a (diff) | |
zram: make zram_bio_discard more self-contained
Derive the index and offset variables inside the function, and complete
the bio directly in preparation for cleaning up the I/O path.
Link: https://lkml.kernel.org/r/20230411171459.567614-4-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'drivers/block/zram')
| -rw-r--r-- | drivers/block/zram/zram_drv.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index f4466ad1fd4a..e9b31c199027 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -1890,15 +1890,12 @@ release_init_lock: } #endif -/* - * zram_bio_discard - handler on discard request - * @index: physical block index in PAGE_SIZE units - * @offset: byte offset within physical block - */ -static void zram_bio_discard(struct zram *zram, u32 index, - int offset, struct bio *bio) +static void zram_bio_discard(struct zram *zram, struct bio *bio) { size_t n = bio->bi_iter.bi_size; + u32 index = bio->bi_iter.bi_sector >> SECTORS_PER_PAGE_SHIFT; + u32 offset = (bio->bi_iter.bi_sector & (SECTORS_PER_PAGE - 1)) << + SECTOR_SHIFT; /* * zram manages data in physical block size units. Because logical block @@ -1926,6 +1923,8 @@ static void zram_bio_discard(struct zram *zram, u32 index, index++; n -= PAGE_SIZE; } + + bio_endio(bio); } /* @@ -1974,8 +1973,7 @@ static void __zram_make_request(struct zram *zram, struct bio *bio) switch (bio_op(bio)) { case REQ_OP_DISCARD: case REQ_OP_WRITE_ZEROES: - zram_bio_discard(zram, index, offset, bio); - bio_endio(bio); + zram_bio_discard(zram, bio); return; default: break; |