diff options
| author | Qu Wenruo <quwenruo@cn.fujitsu.com> | 2016-08-19 16:13:08 +0800 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2016-08-19 13:54:05 +0200 |
| commit | 1c202eb06dfe90ae3ef1dc748e3fea111b632ecd (patch) | |
| tree | 5948b9a583ba2564657b543c091f9d0e76eb18b5 | |
| parent | 44e2b7a7e5c40b0dabb718f64ab23c848017eaa2 (diff) | |
btrfs-progs: print-tree: Print hex and human readable root flags
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
| -rw-r--r-- | print-tree.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/print-tree.c b/print-tree.c index f33ddad8..81ab81fe 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); |