diff options
Diffstat (limited to 'drivers/md/dm-integrity.c')
-rw-r--r-- | drivers/md/dm-integrity.c | 34 |
1 files changed, 21 insertions, 13 deletions
diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c index 1fc901df84eb..7f3dc8ee6ab8 100644 --- a/drivers/md/dm-integrity.c +++ b/drivers/md/dm-integrity.c @@ -555,7 +555,7 @@ static int sync_rw_sb(struct dm_integrity_c *ic, blk_opf_t opf) } } - r = dm_io(&io_req, 1, &io_loc, NULL); + r = dm_io(&io_req, 1, &io_loc, NULL, IOPRIO_DEFAULT); if (unlikely(r)) return r; @@ -1073,7 +1073,7 @@ static void rw_journal_sectors(struct dm_integrity_c *ic, blk_opf_t opf, io_loc.sector = ic->start + SB_SECTORS + sector; io_loc.count = n_sectors; - r = dm_io(&io_req, 1, &io_loc, NULL); + r = dm_io(&io_req, 1, &io_loc, NULL, IOPRIO_DEFAULT); if (unlikely(r)) { dm_integrity_io_error(ic, (opf & REQ_OP_MASK) == REQ_OP_READ ? "reading journal" : "writing journal", r); @@ -1190,7 +1190,7 @@ static void copy_from_journal(struct dm_integrity_c *ic, unsigned int section, u io_loc.sector = target; io_loc.count = n_sectors; - r = dm_io(&io_req, 1, &io_loc, NULL); + r = dm_io(&io_req, 1, &io_loc, NULL, IOPRIO_DEFAULT); if (unlikely(r)) { WARN_ONCE(1, "asynchronous dm_io failed: %d", r); fn(-1UL, data); @@ -1519,7 +1519,7 @@ static void dm_integrity_flush_buffers(struct dm_integrity_c *ic, bool flush_dat fr.io_reg.count = 0, fr.ic = ic; init_completion(&fr.comp); - r = dm_io(&fr.io_req, 1, &fr.io_reg, NULL); + r = dm_io(&fr.io_req, 1, &fr.io_reg, NULL, IOPRIO_DEFAULT); BUG_ON(r); } @@ -1699,7 +1699,6 @@ static noinline void integrity_recheck(struct dm_integrity_io *dio, char *checks struct bio_vec bv; sector_t sector, logical_sector, area, offset; struct page *page; - void *buffer; get_area_and_offset(ic, dio->range.logical_sector, &area, &offset); dio->metadata_block = get_metadata_sector_and_offset(ic, area, offset, @@ -1708,13 +1707,14 @@ static noinline void integrity_recheck(struct dm_integrity_io *dio, char *checks logical_sector = dio->range.logical_sector; page = mempool_alloc(&ic->recheck_pool, GFP_NOIO); - buffer = page_to_virt(page); __bio_for_each_segment(bv, bio, iter, dio->bio_details.bi_iter) { unsigned pos = 0; do { + sector_t alignment; char *mem; + char *buffer = page_to_virt(page); int r; struct dm_io_request io_req; struct dm_io_region io_loc; @@ -1727,7 +1727,15 @@ static noinline void integrity_recheck(struct dm_integrity_io *dio, char *checks io_loc.sector = sector; io_loc.count = ic->sectors_per_block; - r = dm_io(&io_req, 1, &io_loc, NULL); + /* Align the bio to logical block size */ + alignment = dio->range.logical_sector | bio_sectors(bio) | (PAGE_SIZE >> SECTOR_SHIFT); + alignment &= -alignment; + io_loc.sector = round_down(io_loc.sector, alignment); + io_loc.count += sector - io_loc.sector; + buffer += (sector - io_loc.sector) << SECTOR_SHIFT; + io_loc.count = round_up(io_loc.count, alignment); + + r = dm_io(&io_req, 1, &io_loc, NULL, IOPRIO_DEFAULT); if (unlikely(r)) { dio->bi_status = errno_to_blk_status(r); goto free_ret; @@ -1848,12 +1856,12 @@ again: r = dm_integrity_rw_tag(ic, checksums, &dio->metadata_block, &dio->metadata_offset, checksums_ptr - checksums, dio->op == REQ_OP_READ ? TAG_CMP : TAG_WRITE); if (unlikely(r)) { + if (likely(checksums != checksums_onstack)) + kfree(checksums); if (r > 0) { - integrity_recheck(dio, checksums); + integrity_recheck(dio, checksums_onstack); goto skip_io; } - if (likely(checksums != checksums_onstack)) - kfree(checksums); goto error; } @@ -2806,7 +2814,7 @@ next_chunk: io_loc.sector = get_data_sector(ic, area, offset); io_loc.count = n_sectors; - r = dm_io(&io_req, 1, &io_loc, NULL); + r = dm_io(&io_req, 1, &io_loc, NULL, IOPRIO_DEFAULT); if (unlikely(r)) { dm_integrity_io_error(ic, "reading data", r); goto err; @@ -3485,6 +3493,7 @@ static void dm_integrity_io_hints(struct dm_target *ti, struct queue_limits *lim blk_limits_io_min(limits, ic->sectors_per_block << SECTOR_SHIFT); limits->dma_alignment = limits->logical_block_size - 1; } + limits->max_integrity_segments = USHRT_MAX; } static void calculate_journal_section_size(struct dm_integrity_c *ic) @@ -3652,7 +3661,6 @@ static void dm_integrity_set(struct dm_target *ti, struct dm_integrity_c *ic) bi.interval_exp = ic->sb->log2_sectors_per_block + SECTOR_SHIFT; blk_integrity_register(disk, &bi); - blk_queue_max_integrity_segments(disk->queue, UINT_MAX); } static void dm_integrity_free_page_list(struct page_list *pl) @@ -4213,7 +4221,7 @@ static int dm_integrity_ctr(struct dm_target *ti, unsigned int argc, char **argv } else if (sscanf(opt_string, "sectors_per_bit:%llu%c", &llval, &dummy) == 1) { log2_sectors_per_bitmap_bit = !llval ? 0 : __ilog2_u64(llval); } else if (sscanf(opt_string, "bitmap_flush_interval:%u%c", &val, &dummy) == 1) { - if (val >= (uint64_t)UINT_MAX * 1000 / HZ) { + if ((uint64_t)val >= (uint64_t)UINT_MAX * 1000 / HZ) { r = -EINVAL; ti->error = "Invalid bitmap_flush_interval argument"; goto bad; |