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Diffstat (limited to 'fs/btrfs/scrub.c')
-rw-r--r--fs/btrfs/scrub.c42
1 files changed, 34 insertions, 8 deletions
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 531312efee8d..4c525a040812 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -153,12 +153,14 @@ struct scrub_stripe {
unsigned int init_nr_io_errors;
unsigned int init_nr_csum_errors;
unsigned int init_nr_meta_errors;
+ unsigned int init_nr_meta_gen_errors;
/*
* The following error bitmaps are all for the current status.
* Every time we submit a new read, these bitmaps may be updated.
*
- * error_bitmap = io_error_bitmap | csum_error_bitmap | meta_error_bitmap;
+ * error_bitmap = io_error_bitmap | csum_error_bitmap |
+ * meta_error_bitmap | meta_generation_bitmap;
*
* IO and csum errors can happen for both metadata and data.
*/
@@ -166,6 +168,7 @@ struct scrub_stripe {
unsigned long io_error_bitmap;
unsigned long csum_error_bitmap;
unsigned long meta_error_bitmap;
+ unsigned long meta_gen_error_bitmap;
/* For writeback (repair or replace) error reporting. */
unsigned long write_error_bitmap;
@@ -616,7 +619,7 @@ static void scrub_verify_one_metadata(struct scrub_stripe *stripe, int sector_nr
memcpy(on_disk_csum, header->csum, fs_info->csum_size);
if (logical != btrfs_stack_header_bytenr(header)) {
- bitmap_set(&stripe->csum_error_bitmap, sector_nr, sectors_per_tree);
+ bitmap_set(&stripe->meta_error_bitmap, sector_nr, sectors_per_tree);
bitmap_set(&stripe->error_bitmap, sector_nr, sectors_per_tree);
btrfs_warn_rl(fs_info,
"tree block %llu mirror %u has bad bytenr, has %llu want %llu",
@@ -672,7 +675,7 @@ static void scrub_verify_one_metadata(struct scrub_stripe *stripe, int sector_nr
}
if (stripe->sectors[sector_nr].generation !=
btrfs_stack_header_generation(header)) {
- bitmap_set(&stripe->meta_error_bitmap, sector_nr, sectors_per_tree);
+ bitmap_set(&stripe->meta_gen_error_bitmap, sector_nr, sectors_per_tree);
bitmap_set(&stripe->error_bitmap, sector_nr, sectors_per_tree);
btrfs_warn_rl(fs_info,
"tree block %llu mirror %u has bad generation, has %llu want %llu",
@@ -684,6 +687,7 @@ static void scrub_verify_one_metadata(struct scrub_stripe *stripe, int sector_nr
bitmap_clear(&stripe->error_bitmap, sector_nr, sectors_per_tree);
bitmap_clear(&stripe->csum_error_bitmap, sector_nr, sectors_per_tree);
bitmap_clear(&stripe->meta_error_bitmap, sector_nr, sectors_per_tree);
+ bitmap_clear(&stripe->meta_gen_error_bitmap, sector_nr, sectors_per_tree);
}
static void scrub_verify_one_sector(struct scrub_stripe *stripe, int sector_nr)
@@ -972,8 +976,22 @@ skip:
if (__ratelimit(&rs) && dev)
scrub_print_common_warning("header error", dev, false,
stripe->logical, physical);
+ if (test_bit(sector_nr, &stripe->meta_gen_error_bitmap))
+ if (__ratelimit(&rs) && dev)
+ scrub_print_common_warning("generation error", dev, false,
+ stripe->logical, physical);
}
+ /* Update the device stats. */
+ for (int i = 0; i < stripe->init_nr_io_errors; i++)
+ btrfs_dev_stat_inc_and_print(stripe->dev, BTRFS_DEV_STAT_READ_ERRS);
+ for (int i = 0; i < stripe->init_nr_csum_errors; i++)
+ btrfs_dev_stat_inc_and_print(stripe->dev, BTRFS_DEV_STAT_CORRUPTION_ERRS);
+ /* Generation mismatch error is based on each metadata, not each block. */
+ for (int i = 0; i < stripe->init_nr_meta_gen_errors;
+ i += (fs_info->nodesize >> fs_info->sectorsize_bits))
+ btrfs_dev_stat_inc_and_print(stripe->dev, BTRFS_DEV_STAT_GENERATION_ERRS);
+
spin_lock(&sctx->stat_lock);
sctx->stat.data_extents_scrubbed += stripe->nr_data_extents;
sctx->stat.tree_extents_scrubbed += stripe->nr_meta_extents;
@@ -982,7 +1000,8 @@ skip:
sctx->stat.no_csum += nr_nodatacsum_sectors;
sctx->stat.read_errors += stripe->init_nr_io_errors;
sctx->stat.csum_errors += stripe->init_nr_csum_errors;
- sctx->stat.verify_errors += stripe->init_nr_meta_errors;
+ sctx->stat.verify_errors += stripe->init_nr_meta_errors +
+ stripe->init_nr_meta_gen_errors;
sctx->stat.uncorrectable_errors +=
bitmap_weight(&stripe->error_bitmap, stripe->nr_sectors);
sctx->stat.corrected_errors += nr_repaired_sectors;
@@ -1028,6 +1047,8 @@ static void scrub_stripe_read_repair_worker(struct work_struct *work)
stripe->nr_sectors);
stripe->init_nr_meta_errors = bitmap_weight(&stripe->meta_error_bitmap,
stripe->nr_sectors);
+ stripe->init_nr_meta_gen_errors = bitmap_weight(&stripe->meta_gen_error_bitmap,
+ stripe->nr_sectors);
if (bitmap_empty(&stripe->init_error_bitmap, stripe->nr_sectors))
goto out;
@@ -1142,6 +1163,9 @@ static void scrub_write_endio(struct btrfs_bio *bbio)
bitmap_set(&stripe->write_error_bitmap, sector_nr,
bio_size >> fs_info->sectorsize_bits);
spin_unlock_irqrestore(&stripe->write_error_lock, flags);
+ for (int i = 0; i < (bio_size >> fs_info->sectorsize_bits); i++)
+ btrfs_dev_stat_inc_and_print(stripe->dev,
+ BTRFS_DEV_STAT_WRITE_ERRS);
}
bio_put(&bbio->bio);
@@ -1380,11 +1404,11 @@ static int find_first_extent_item(struct btrfs_root *extent_root,
if (path->nodes[0])
goto search_forward;
+ key.objectid = search_start;
if (btrfs_fs_incompat(fs_info, SKINNY_METADATA))
key.type = BTRFS_METADATA_ITEM_KEY;
else
key.type = BTRFS_EXTENT_ITEM_KEY;
- key.objectid = search_start;
key.offset = (u64)-1;
ret = btrfs_search_slot(NULL, extent_root, &key, path, 0, 0);
@@ -1508,10 +1532,12 @@ static void scrub_stripe_reset_bitmaps(struct scrub_stripe *stripe)
stripe->init_nr_io_errors = 0;
stripe->init_nr_csum_errors = 0;
stripe->init_nr_meta_errors = 0;
+ stripe->init_nr_meta_gen_errors = 0;
stripe->error_bitmap = 0;
stripe->io_error_bitmap = 0;
stripe->csum_error_bitmap = 0;
stripe->meta_error_bitmap = 0;
+ stripe->meta_gen_error_bitmap = 0;
}
/*
@@ -1541,8 +1567,8 @@ static int scrub_find_fill_first_stripe(struct btrfs_block_group *bg,
u64 extent_gen;
int ret;
- if (unlikely(!extent_root)) {
- btrfs_err(fs_info, "no valid extent root for scrub");
+ if (unlikely(!extent_root || !csum_root)) {
+ btrfs_err(fs_info, "no valid extent or csum root for scrub");
return -EUCLEAN;
}
memset(stripe->sectors, 0, sizeof(struct scrub_sector_verification) *
@@ -2497,8 +2523,8 @@ int scrub_enumerate_chunks(struct scrub_ctx *sctx,
path->skip_locking = 1;
key.objectid = scrub_dev->devid;
- key.offset = 0ull;
key.type = BTRFS_DEV_EXTENT_KEY;
+ key.offset = 0ull;
while (1) {
u64 dev_extent_len;
generated by cgit v1.2.3 (git 2.39.0) at 2025-07-04 07:45:01 +0300