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-rw-r--r--fs/btrfs/transaction.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index de77458..258fceb 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1169,13 +1169,17 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
memcpy(new_root_item->uuid, new_uuid.b, BTRFS_UUID_SIZE);
memcpy(new_root_item->parent_uuid, root->root_item.uuid,
BTRFS_UUID_SIZE);
+ if (!(root_flags & BTRFS_ROOT_SUBVOL_RDONLY)) {
+ memset(new_root_item->received_uuid, 0,
+ sizeof(new_root_item->received_uuid));
+ memset(&new_root_item->stime, 0, sizeof(new_root_item->stime));
+ memset(&new_root_item->rtime, 0, sizeof(new_root_item->rtime));
+ btrfs_set_root_stransid(new_root_item, 0);
+ btrfs_set_root_rtransid(new_root_item, 0);
+ }
new_root_item->otime.sec = cpu_to_le64(cur_time.tv_sec);
new_root_item->otime.nsec = cpu_to_le32(cur_time.tv_nsec);
btrfs_set_root_otransid(new_root_item, trans->transid);
- memset(&new_root_item->stime, 0, sizeof(new_root_item->stime));
- memset(&new_root_item->rtime, 0, sizeof(new_root_item->rtime));
- btrfs_set_root_stransid(new_root_item, 0);
- btrfs_set_root_rtransid(new_root_item, 0);
old = btrfs_lock_root_node(root);
ret = btrfs_cow_block(trans, root, old, NULL, 0, &old);
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