btrfs-progs: print root item's last_snapshot value.

PATCH Applied Lakshmipathi.G 2 participants 2 messages Oct 7, 2015 Btrfs file system

Share & tools

Lakshmipathi.G

author

2015-10-07 12:14 UTC #0 lore raw

PATCH 1/1 btrfs-progs: print root item's last_snapshot value.

Include last_snapshot value in print_root(). With btrfs-debug-tree, it helps to identify whether its a snapshot-ed subvolume or not.

Signed-off-by Lakshmipathi.G <[email protected]>

---
 print-tree.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

print-tree.c +3 -2

index dc1d276..7ddf400 100644
@@ -481,12 +481,13 @@ static void print_root(struct extent_buffer *leaf, int slot)
 	memset(&root_item, 0, sizeof(root_item));
 	read_extent_buffer(leaf, &root_item, (unsigned long)ri, len);
 
-	printf("\t\troot data bytenr %llu level %d dirid %llu refs %u gen %llu\n",
+	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),
 		btrfs_root_level(&root_item),
 		(unsigned long long)btrfs_root_dirid(&root_item),
 		btrfs_root_refs(&root_item),
-		(unsigned long long)btrfs_root_generation(&root_item));
+		(unsigned long long)btrfs_root_generation(&root_item),
+		(unsigned long long)btrfs_root_last_snapshot(&root_item));
 
 	if (root_item.generation == root_item.generation_v2) {
 		uuid_unparse(root_item.uuid, uuid_str);

Signature · 1 line

1.8.3.1

David Sterba

Applied

2015-10-07 15:21 UTC #1 lore raw

Quoted 4 lines · Lakshmipathi.G

Include last_snapshot value in print_root(). With btrfs-debug-tree, it helps to identify whether its a snapshot-ed subvolume or not.
Signed-off-by Lakshmipathi.G <[email protected]>

Applied, thanks.