Signed-off-by: Qu Wenruo <quwenruo@xxxxxxxxxxxxxx>
---
print-tree.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/print-tree.c b/print-tree.c
index f33ddad..81ab81f 100644
--- a/print-tree.c
+++ b/print-tree.c
@@ -496,18 +496,31 @@ static int count_bytes(void *buf, int len, char b)
return cnt;
}
+/*
+ * Caller must ensure sizeof(*ret) >= 7 "RDONLY"
+ */
+static void root_flags_to_str(u64 flags, char *ret)
+{
+ if (flags & BTRFS_ROOT_SUBVOL_RDONLY)
+ strcat(ret, "RDONLY");
+ else
+ strcat(ret, "none");
+}
+
static void print_root(struct extent_buffer *leaf, int slot)
{
struct btrfs_root_item *ri;
struct btrfs_root_item root_item;
int len;
char uuid_str[BTRFS_UUID_UNPARSED_SIZE];
+ char flags_str[32] = {0};
ri = btrfs_item_ptr(leaf, slot, struct btrfs_root_item);
len = btrfs_item_size_nr(leaf, slot);
memset(&root_item, 0, sizeof(root_item));
read_extent_buffer(leaf, &root_item, (unsigned long)ri, len);
+ root_flags_to_str(btrfs_root_flags(&root_item), flags_str);
printf("\t\troot data bytenr %llu level %d dirid %llu refs %u gen %llu lastsnap %llu\n",
(unsigned long long)btrfs_root_bytenr(&root_item),
@@ -516,6 +529,8 @@ static void print_root(struct extent_buffer *leaf, int slot)
btrfs_root_refs(&root_item),
(unsigned long long)btrfs_root_generation(&root_item),
(unsigned long long)btrfs_root_last_snapshot(&root_item));
+ printf("\t\tflags 0x%llx(%s)\n", btrfs_root_flags(&root_item),
+ flags_str);
if (root_item.generation == root_item.generation_v2) {
uuid_unparse(root_item.uuid, uuid_str);
--
2.9.3
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