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authorFilipe Manana <fdmanana@suse.com>2025-09-19 17:46:05 +0100
committerDavid Sterba <dsterba@suse.com>2025-09-23 08:49:24 +0200
commit62701f419027711b9c18a1fc1c20714ceeea9e81 (patch)
tree557ef2e39619f0d1125aca64f43c45852aa0117a
parentdb524fd9802f7ec3281a7f1fdae66c67c9525ba3 (diff)
btrfs: remove pointless key offset setup in create_pending_snapshot()
There's no point in setting the key's offset to (u64)-1 since we never use it before setting it to the current transaction's ID. So remove the assignment of (u64)-1 to the key's offset and move the remainder of the key initialization close to where it's used. Reviewed-by: Qu Wenruo <wqu@suse.com> Signed-off-by: Filipe Manana <fdmanana@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
-rw-r--r--fs/btrfs/transaction.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index d04fa6ce8390..febf456a9ab0 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1694,10 +1694,6 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
goto clear_skip_qgroup;
}
- key.objectid = objectid;
- key.type = BTRFS_ROOT_ITEM_KEY;
- key.offset = (u64)-1;
-
rsv = trans->block_rsv;
trans->block_rsv = &pending->block_rsv;
trans->bytes_reserved = trans->block_rsv->reserved;
@@ -1810,6 +1806,8 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
btrfs_set_root_node(new_root_item, tmp);
/* record when the snapshot was created in key.offset */
+ key.objectid = objectid;
+ key.type = BTRFS_ROOT_ITEM_KEY;
key.offset = trans->transid;
ret = btrfs_insert_root(trans, tree_root, &key, new_root_item);
btrfs_tree_unlock(tmp);