qgroup items are not deleted by btrfs when the underlying subvolume goes away. As a result, btrfsck will print those as inconsistent. This can clutter up the printout so we ignore them by default. They are still printed if a full report (via --qgroup-report) is requested.
This patch and the ones it depends on (to do qgroup verification) can be found at: https://github.com/markfasheh/btrfs-progs-patches/tree/qgroup-verify Signed-off-by: Mark Fasheh <mfas...@suse.de> --- qgroup-verify.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/qgroup-verify.c b/qgroup-verify.c index 81a1651..2e1716d 100644 --- a/qgroup-verify.c +++ b/qgroup-verify.c @@ -38,6 +38,7 @@ static void add_bytes(u64 root_objectid, u64 num_bytes, int exclusive); struct qgroup_count { u64 qgroupid; + int subvol_exists; struct btrfs_disk_key key; struct btrfs_qgroup_info_item diskinfo; @@ -697,8 +698,10 @@ static int load_quota_info(struct btrfs_fs_info *info) { int ret; struct btrfs_root *root = info->quota_root; + struct btrfs_root *tmproot; struct btrfs_path path; struct btrfs_key key; + struct btrfs_key root_key; struct btrfs_disk_key disk_key; struct extent_buffer *leaf; struct btrfs_qgroup_info_item *item; @@ -745,6 +748,15 @@ static int load_quota_info(struct btrfs_fs_info *info) fprintf(stderr, "ERROR: out of memory\n"); goto out; } + + root_key.objectid = key.offset; + root_key.type = BTRFS_ROOT_ITEM_KEY; + root_key.offset = (u64)-1; + tmproot = btrfs_read_fs_root_no_cache(info, &root_key); + if (tmproot && !IS_ERR(tmproot)) { + count->subvol_exists = 1; + free(tmproot); + } } ret = btrfs_next_leaf(root, &path); @@ -1008,7 +1020,7 @@ static void print_qgroup_difference(struct qgroup_count *count, int verbose) is_different = excl_diff || ref_diff; - if (verbose || is_different) { + if (verbose || (is_different && count->subvol_exists)) { printf("Counts for qgroup id: %llu %s\n", (unsigned long long)count->qgroupid, is_different ? "are different" : ""); -- 1.8.4.5 -- 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
