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/relocation.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/relocation.c')
| -rw-r--r-- | fs/btrfs/relocation.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c index 56c8afa6f6d2..aa80e51bc8ca 100644 --- a/fs/btrfs/relocation.c +++ b/fs/btrfs/relocation.c @@ -4357,8 +4357,8 @@ int btrfs_reloc_clone_csums(struct btrfs_inode *inode, u64 file_pos, u64 len) disk_bytenr = file_pos + inode->index_cnt; csum_root = btrfs_csum_root(fs_info, disk_bytenr); - ret = btrfs_lookup_csums_range(csum_root, disk_bytenr, - disk_bytenr + len - 1, &list, 0, false); + ret = btrfs_lookup_csums_list(csum_root, disk_bytenr, + disk_bytenr + len - 1, &list, 0, false); if (ret) goto out; |