So far, we can account quota number for data and metadata separately, but in quota resan, we have not implemented this feature. This patch make the rescan smart to distingush data and metadata and account them separately.
Signed-off-by: Dongsheng Yang <yangds.f...@cn.fujitsu.com> --- fs/btrfs/qgroup.c | 21 ++++++++++++++++++--- 1 file changed, 18 insertions(+), 3 deletions(-) diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index 9363fd0..bb98bdd 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -2872,6 +2872,8 @@ qgroup_rescan_leaf(struct btrfs_fs_info *fs_info, struct btrfs_path *path, int new_roots; int slot; int ret; + bool skinny_metadata = btrfs_fs_incompat(fs_info, + SKINNY_METADATA); path->leave_spinning = 1; mutex_lock(&fs_info->qgroup_rescan_lock); @@ -2910,14 +2912,27 @@ qgroup_rescan_leaf(struct btrfs_fs_info *fs_info, struct btrfs_path *path, mutex_unlock(&fs_info->qgroup_rescan_lock); for (; slot < btrfs_header_nritems(scratch_leaf); ++slot) { + u8 quota_type = BTRFS_QGROUP_REF_TYPE_DATA; + struct btrfs_extent_item *ei; + u64 flags; + + ei = btrfs_item_ptr(scratch_leaf, slot, struct btrfs_extent_item); + flags = btrfs_extent_flags(scratch_leaf, ei); + btrfs_item_key_to_cpu(scratch_leaf, &found, slot); if (found.type != BTRFS_EXTENT_ITEM_KEY && found.type != BTRFS_METADATA_ITEM_KEY) continue; - if (found.type == BTRFS_METADATA_ITEM_KEY) + if (found.type == BTRFS_METADATA_ITEM_KEY) { num_bytes = fs_info->extent_root->nodesize; - else + if (btrfs_fs_incompat(fs_info, QGROUP_TYPE)) + quota_type = BTRFS_QGROUP_REF_TYPE_METADATA; + } else { num_bytes = found.offset; + if (!skinny_metadata && (flags & BTRFS_EXTENT_FLAG_TREE_BLOCK) && + btrfs_fs_incompat(fs_info, QGROUP_TYPE)) + quota_type = BTRFS_QGROUP_REF_TYPE_METADATA; + } ulist_reinit(qgroups); ret = btrfs_find_all_roots(NULL, fs_info, found.objectid, 0, @@ -2937,7 +2952,7 @@ qgroup_rescan_leaf(struct btrfs_fs_info *fs_info, struct btrfs_path *path, goto out; } - ret = qgroup_adjust_counters(fs_info, 0, num_bytes, 0, qgroups, + ret = qgroup_adjust_counters(fs_info, 0, num_bytes, quota_type, qgroups, seq, 0, new_roots, 1); if (ret < 0) { spin_unlock(&fs_info->qgroup_lock); -- 1.8.4.2 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html