1. Replace "1 << (PAGE_SHIFT - 9)" or similar with SECTORS_PER_PAGE 2. Replace "PAGE_SHIFT - 9" with SECTORS_PER_PAGE_SHIFT 3. Replace "9" with SECTOR_SHIFT 4. Replace "512" with SECTOR_SIZE Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx> --- drivers/md/dm-table.c | 2 +- drivers/md/raid1.c | 4 ++-- drivers/md/raid10.c | 10 +++++----- drivers/md/raid5-cache.c | 10 +++++----- 4 files changed, 13 insertions(+), 13 deletions(-) diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 0a2cc197f62b..cf9d85ec66fd 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -1964,7 +1964,7 @@ void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q, #endif /* Allow reads to exceed readahead limits */ - q->backing_dev_info->io_pages = limits->max_sectors >> (PAGE_SHIFT - 9); + q->backing_dev_info->io_pages = limits->max_sectors >> SECTORS_PER_PAGE_SHIFT; } unsigned int dm_table_get_num_targets(struct dm_table *t) diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index cd810e195086..35d3fa22dd54 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -2129,7 +2129,7 @@ static void process_checks(struct r1bio *r1_bio) int vcnt; /* Fix variable parts of all bios */ - vcnt = (r1_bio->sectors + PAGE_SIZE / 512 - 1) >> (PAGE_SHIFT - 9); + vcnt = (r1_bio->sectors + SECTORS_PER_PAGE - 1) >> SECTORS_PER_PAGE_SHIFT; for (i = 0; i < conf->raid_disks * 2; i++) { blk_status_t status; struct bio *b = r1_bio->bios[i]; @@ -2148,7 +2148,7 @@ static void process_checks(struct r1bio *r1_bio) b->bi_private = rp; /* initialize bvec table again */ - md_bio_reset_resync_pages(b, rp, r1_bio->sectors << 9); + md_bio_reset_resync_pages(b, rp, r1_bio->sectors << SECTOR_SHIFT); } for (primary = 0; primary < conf->raid_disks * 2; primary++) if (r1_bio->bios[primary]->bi_end_io == end_sync_read && diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index ec136e44aef7..3202953a800d 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -2025,11 +2025,11 @@ static void sync_request_write(struct mddev *mddev, struct r10bio *r10_bio) first = i; fbio = r10_bio->devs[i].bio; - fbio->bi_iter.bi_size = r10_bio->sectors << 9; + fbio->bi_iter.bi_size = r10_bio->sectors << SECTOR_SHIFT; fbio->bi_iter.bi_idx = 0; fpages = get_resync_pages(fbio)->pages; - vcnt = (r10_bio->sectors + (PAGE_SIZE >> 9) - 1) >> (PAGE_SHIFT - 9); + vcnt = (r10_bio->sectors + SECTORS_PER_PAGE - 1) >> SECTORS_PER_PAGE_SHIFT; /* now find blocks with errors */ for (i=0 ; i < conf->copies ; i++) { int j, d; @@ -2054,13 +2054,13 @@ static void sync_request_write(struct mddev *mddev, struct r10bio *r10_bio) int sectors = r10_bio->sectors; for (j = 0; j < vcnt; j++) { int len = PAGE_SIZE; - if (sectors < (len / 512)) - len = sectors * 512; + if (sectors < (len / SECTOR_SIZE)) + len = sectors * SECTOR_SIZE; if (memcmp(page_address(fpages[j]), page_address(tpages[j]), len)) break; - sectors -= len/512; + sectors -= len / SECTOR_SIZE; } if (j == vcnt) continue; diff --git a/drivers/md/raid5-cache.c b/drivers/md/raid5-cache.c index 9b6da759dca2..5bd8e2b51341 100644 --- a/drivers/md/raid5-cache.c +++ b/drivers/md/raid5-cache.c @@ -833,7 +833,7 @@ static void r5l_append_payload_meta(struct r5l_log *log, u16 type, payload->header.type = cpu_to_le16(type); payload->header.flags = cpu_to_le16(0); payload->size = cpu_to_le32((1 + !!checksum2_valid) << - (PAGE_SHIFT - 9)); + SECTORS_PER_PAGE_SHIFT); payload->location = cpu_to_le64(location); payload->checksum[0] = cpu_to_le32(checksum1); if (checksum2_valid) @@ -1042,7 +1042,7 @@ int r5l_write_stripe(struct r5l_log *log, struct stripe_head *sh) mutex_lock(&log->io_mutex); /* meta + data */ - reserve = (1 + write_disks) << (PAGE_SHIFT - 9); + reserve = (1 + write_disks) << SECTORS_PER_PAGE_SHIFT; if (log->r5c_journal_mode == R5C_JOURNAL_MODE_WRITE_THROUGH) { if (!r5l_has_free_space(log, reserve)) { @@ -2053,7 +2053,7 @@ r5l_recovery_verify_data_checksum_for_mb(struct r5l_log *log, le32_to_cpu(payload->size)); mb_offset += sizeof(struct r5l_payload_data_parity) + sizeof(__le32) * - (le32_to_cpu(payload->size) >> (PAGE_SHIFT - 9)); + (le32_to_cpu(payload->size) >> SECTORS_PER_PAGE_SHIFT); } } @@ -2199,7 +2199,7 @@ r5c_recovery_analyze_meta_block(struct r5l_log *log, mb_offset += sizeof(struct r5l_payload_data_parity) + sizeof(__le32) * - (le32_to_cpu(payload->size) >> (PAGE_SHIFT - 9)); + (le32_to_cpu(payload->size) >> SECTORS_PER_PAGE_SHIFT); } return 0; @@ -2916,7 +2916,7 @@ int r5c_cache_data(struct r5l_log *log, struct stripe_head *sh) mutex_lock(&log->io_mutex); /* meta + data */ - reserve = (1 + pages) << (PAGE_SHIFT - 9); + reserve = (1 + pages) << SECTORS_PER_PAGE_SHIFT; if (test_bit(R5C_LOG_CRITICAL, &conf->cache_state) && sh->log_start == MaxSector) -- 2.26.0.106.g9fadedd