diff options
| author | Qu Wenruo <wqu@suse.com> | 2022-11-14 08:26:32 +0800 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2022-12-05 18:00:57 +0100 |
| commit | 97e3823933108cfc648bb08d5ad36251b6588164 (patch) | |
| tree | 47b277d7ca595f2acac299efae1095b5d67a9a9a /fs/btrfs/scrub.c | |
| parent | cb649e81dad429ffbd97a689ac0011599952a668 (diff) | |
btrfs: introduce a bitmap based csum range search function
Although we have an existing function, btrfs_lookup_csums_range(), to
find all data checksums for a range, it's based on a btrfs_ordered_sum
list.
For the incoming RAID56 data checksum verification at RMW time, we don't
want to waste time by allocating temporary memory.
So this patch will introduce a new helper, btrfs_lookup_csums_bitmap().
It will use bitmap based result, which will be a perfect fit for later
RAID56 usage.
Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/scrub.c')
| -rw-r--r-- | fs/btrfs/scrub.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index 0ce5b773867f..52b346795f66 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -3238,9 +3238,9 @@ static int scrub_raid56_data_stripe_for_parity(struct scrub_ctx *sctx, extent_dev = bioc->stripes[0].dev; btrfs_put_bioc(bioc); - ret = btrfs_lookup_csums_range(csum_root, extent_start, - extent_start + extent_size - 1, - &sctx->csum_list, 1, false); + ret = btrfs_lookup_csums_list(csum_root, extent_start, + extent_start + extent_size - 1, + &sctx->csum_list, 1, false); if (ret) { scrub_parity_mark_sectors_error(sparity, extent_start, extent_size); @@ -3464,7 +3464,7 @@ static int scrub_simple_mirror(struct scrub_ctx *sctx, cur_logical; if (extent_flags & BTRFS_EXTENT_FLAG_DATA) { - ret = btrfs_lookup_csums_range(csum_root, cur_logical, + ret = btrfs_lookup_csums_list(csum_root, cur_logical, cur_logical + scrub_len - 1, &sctx->csum_list, 1, false); if (ret) |