Now btrfs-debug-tree can print qgroup status flag as ON|INCONSISTENT
instead of 0x5.
BTW, this patch helped us to find a bug that INCONSISTENT flag is never
cleared in kernel.
Signed-off-by: Qu Wenruo <quwenruo@xxxxxxxxxxxxxx>
---
print-tree.c | 30 +++++++++++++++++++++++-------
1 file changed, 23 insertions(+), 7 deletions(-)
diff --git a/print-tree.c b/print-tree.c
index 30adc1a..41891fc 100644
--- a/print-tree.c
+++ b/print-tree.c
@@ -203,6 +203,20 @@ static void bg_flags_to_str(u64 flags, char *ret)
}
}
+/* Caller should ensure sizeof(*ret)>= 26 "OFF|SCANNING|INCONSISTENT" */
+static void qg_flags_to_str(u64 flags, char *ret)
+{
+ if (flags & BTRFS_QGROUP_STATUS_FLAG_ON)
+ strcpy(ret, "ON");
+ else
+ strcpy(ret, "OFF");
+
+ if (flags & BTRFS_QGROUP_STATUS_FLAG_RESCAN)
+ strcat(ret, "|SCANNING");
+ if (flags & BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT)
+ strcat(ret, "|INCONSISTENT");
+}
+
void print_chunk(struct extent_buffer *eb, struct btrfs_chunk *chunk)
{
int num_stripes = btrfs_chunk_num_stripes(eb, chunk);
@@ -801,7 +815,7 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l)
u32 nr = btrfs_header_nritems(l);
u64 objectid;
u32 type;
- char bg_flags_str[32];
+ char flags_str[32];
printf("leaf %llu items %d free space %d generation %llu owner %llu\n",
(unsigned long long)btrfs_header_bytenr(l), nr,
@@ -920,13 +934,13 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l)
struct btrfs_block_group_item);
read_extent_buffer(l, &bg_item, (unsigned long)bi,
sizeof(bg_item));
- memset(bg_flags_str, 0, sizeof(bg_flags_str));
+ memset(flags_str, 0, sizeof(flags_str));
bg_flags_to_str(btrfs_block_group_flags(&bg_item),
- bg_flags_str);
+ flags_str);
printf("\t\tblock group used %llu chunk_objectid %llu flags %s\n",
(unsigned long long)btrfs_block_group_used(&bg_item),
(unsigned long long)btrfs_block_group_chunk_objectid(&bg_item),
- bg_flags_str);
+ flags_str);
break;
case BTRFS_CHUNK_ITEM_KEY:
print_chunk(l, btrfs_item_ptr(l, i, struct btrfs_chunk));
@@ -953,14 +967,16 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l)
case BTRFS_QGROUP_STATUS_KEY:
qg_status = btrfs_item_ptr(l, i,
struct btrfs_qgroup_status_item);
- printf("\t\tversion %llu generation %llu flags %#llx "
+ memset(flags_str, 0, sizeof(flags_str));
+ qg_flags_to_str(btrfs_qgroup_status_flags(l, qg_status),
+ flags_str);
+ printf("\t\tversion %llu generation %llu flags %s "
"scan %lld\n",
(unsigned long long)
btrfs_qgroup_status_version(l, qg_status),
(unsigned long long)
btrfs_qgroup_status_generation(l, qg_status),
- (unsigned long long)
- btrfs_qgroup_status_flags(l, qg_status),
+ flags_str,
(unsigned long long)
btrfs_qgroup_status_scan(l, qg_status));
break;
--
2.3.0
--
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