diff options
Diffstat (limited to 'fs/btrfs/scrub.c')
| -rw-r--r-- | fs/btrfs/scrub.c | 37 |
1 files changed, 19 insertions, 18 deletions
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index 3a3427428074..204c928beaf9 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -1656,8 +1656,7 @@ static u32 stripe_length(const struct scrub_stripe *stripe) stripe->bg->start + stripe->bg->length - stripe->logical); } -static void scrub_submit_extent_sector_read(struct scrub_ctx *sctx, - struct scrub_stripe *stripe) +static void scrub_submit_extent_sector_read(struct scrub_stripe *stripe) { struct btrfs_fs_info *fs_info = stripe->bg->fs_info; struct btrfs_bio *bbio = NULL; @@ -1704,8 +1703,18 @@ static void scrub_submit_extent_sector_read(struct scrub_ctx *sctx, &stripe_len, &bioc, &io_stripe, &mirror); btrfs_put_bioc(bioc); if (err < 0) { - set_bit(i, &stripe->io_error_bitmap); - set_bit(i, &stripe->error_bitmap); + if (err != -ENODATA) { + /* + * Earlier btrfs_get_raid_extent_offset() + * returned -ENODATA, which means there's + * no entry for the corresponding range + * in the stripe tree. But if it's in + * the extent tree, then it's a preallocated + * extent and not an error. + */ + set_bit(i, &stripe->io_error_bitmap); + set_bit(i, &stripe->error_bitmap); + } continue; } @@ -1743,7 +1752,7 @@ static void scrub_submit_initial_read(struct scrub_ctx *sctx, ASSERT(test_bit(SCRUB_STRIPE_FLAG_INITIALIZED, &stripe->state)); if (btrfs_need_stripe_tree_update(fs_info, stripe->bg->flags)) { - scrub_submit_extent_sector_read(sctx, stripe); + scrub_submit_extent_sector_read(stripe); return; } @@ -1954,7 +1963,7 @@ static int scrub_raid56_parity_stripe(struct scrub_ctx *sctx, ASSERT(sctx->raid56_data_stripes); /* - * For data stripe search, we cannot re-use the same extent/csum paths, + * For data stripe search, we cannot reuse the same extent/csum paths, * as the data stripe bytenr may be smaller than previous extent. Thus * we have to use our own extent/csum paths. */ @@ -2103,7 +2112,6 @@ out: */ static int scrub_simple_mirror(struct scrub_ctx *sctx, struct btrfs_block_group *bg, - struct btrfs_chunk_map *map, u64 logical_start, u64 logical_length, struct btrfs_device *device, u64 physical, int mirror_num) @@ -2222,7 +2230,7 @@ static int scrub_simple_stripe(struct scrub_ctx *sctx, * just RAID1, so we can reuse scrub_simple_mirror() to scrub * this stripe. */ - ret = scrub_simple_mirror(sctx, bg, map, cur_logical, + ret = scrub_simple_mirror(sctx, bg, cur_logical, BTRFS_STRIPE_LEN, device, cur_physical, mirror_num); if (ret) @@ -2256,7 +2264,6 @@ static noinline_for_stack int scrub_stripe(struct scrub_ctx *sctx, /* Offset inside the chunk */ u64 offset; u64 stripe_logical; - int stop_loop = 0; /* Extent_path should be released by now. */ ASSERT(sctx->extent_path.nodes[0] == NULL); @@ -2307,7 +2314,7 @@ static noinline_for_stack int scrub_stripe(struct scrub_ctx *sctx, * Only @physical and @mirror_num needs to calculated using * @stripe_index. */ - ret = scrub_simple_mirror(sctx, bg, map, bg->start, bg->length, + ret = scrub_simple_mirror(sctx, bg, bg->start, bg->length, scrub_dev, map->stripes[stripe_index].physical, stripe_index + 1); offset = 0; @@ -2362,7 +2369,7 @@ static noinline_for_stack int scrub_stripe(struct scrub_ctx *sctx, * We can reuse scrub_simple_mirror() here, as the repair part * is still based on @mirror_num. */ - ret = scrub_simple_mirror(sctx, bg, map, logical, BTRFS_STRIPE_LEN, + ret = scrub_simple_mirror(sctx, bg, logical, BTRFS_STRIPE_LEN, scrub_dev, physical, 1); if (ret < 0) goto out; @@ -2370,14 +2377,8 @@ next: logical += increment; physical += BTRFS_STRIPE_LEN; spin_lock(&sctx->stat_lock); - if (stop_loop) - sctx->stat.last_physical = - map->stripes[stripe_index].physical + dev_stripe_len; - else - sctx->stat.last_physical = physical; + sctx->stat.last_physical = physical; spin_unlock(&sctx->stat_lock); - if (stop_loop) - break; } out: ret2 = flush_scrub_stripes(sctx); |