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-rw-r--r--fs/btrfs/transaction.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index f50e931fc217..29e30d832ec9 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -910,6 +910,7 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
910 u64 to_reserve = 0; 910 u64 to_reserve = 0;
911 u64 index = 0; 911 u64 index = 0;
912 u64 objectid; 912 u64 objectid;
913 u64 root_flags;
913 914
914 new_root_item = kmalloc(sizeof(*new_root_item), GFP_NOFS); 915 new_root_item = kmalloc(sizeof(*new_root_item), GFP_NOFS);
915 if (!new_root_item) { 916 if (!new_root_item) {
@@ -967,6 +968,13 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
967 btrfs_set_root_last_snapshot(&root->root_item, trans->transid); 968 btrfs_set_root_last_snapshot(&root->root_item, trans->transid);
968 memcpy(new_root_item, &root->root_item, sizeof(*new_root_item)); 969 memcpy(new_root_item, &root->root_item, sizeof(*new_root_item));
969 970
971 root_flags = btrfs_root_flags(new_root_item);
972 if (pending->readonly)
973 root_flags |= BTRFS_ROOT_SUBVOL_RDONLY;
974 else
975 root_flags &= ~BTRFS_ROOT_SUBVOL_RDONLY;
976 btrfs_set_root_flags(new_root_item, root_flags);
977
970 old = btrfs_lock_root_node(root); 978 old = btrfs_lock_root_node(root);
971 btrfs_cow_block(trans, root, old, NULL, 0, &old); 979 btrfs_cow_block(trans, root, old, NULL, 0, &old);
972 btrfs_set_lock_blocking(old); 980 btrfs_set_lock_blocking(old);