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https://github.com/kdave/btrfs-progs
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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>
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parent
44e2b7a7e5
commit
1c202eb06d
15
print-tree.c
15
print-tree.c
@ -496,18 +496,31 @@ static int count_bytes(void *buf, int len, char b)
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return cnt;
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}
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/*
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* Caller must ensure sizeof(*ret) >= 7 "RDONLY"
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*/
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static void root_flags_to_str(u64 flags, char *ret)
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{
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if (flags & BTRFS_ROOT_SUBVOL_RDONLY)
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strcat(ret, "RDONLY");
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else
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strcat(ret, "none");
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}
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static void print_root(struct extent_buffer *leaf, int slot)
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{
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struct btrfs_root_item *ri;
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struct btrfs_root_item root_item;
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int len;
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char uuid_str[BTRFS_UUID_UNPARSED_SIZE];
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char flags_str[32] = {0};
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ri = btrfs_item_ptr(leaf, slot, struct btrfs_root_item);
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len = btrfs_item_size_nr(leaf, slot);
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memset(&root_item, 0, sizeof(root_item));
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read_extent_buffer(leaf, &root_item, (unsigned long)ri, len);
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root_flags_to_str(btrfs_root_flags(&root_item), flags_str);
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printf("\t\troot data bytenr %llu level %d dirid %llu refs %u gen %llu lastsnap %llu\n",
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(unsigned long long)btrfs_root_bytenr(&root_item),
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@ -516,6 +529,8 @@ static void print_root(struct extent_buffer *leaf, int slot)
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btrfs_root_refs(&root_item),
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(unsigned long long)btrfs_root_generation(&root_item),
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(unsigned long long)btrfs_root_last_snapshot(&root_item));
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printf("\t\tflags 0x%llx(%s)\n", btrfs_root_flags(&root_item),
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flags_str);
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if (root_item.generation == root_item.generation_v2) {
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uuid_unparse(root_item.uuid, uuid_str);
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