#include "kerncompat.h"
#include "ctree.h"
+#include "messages.h"
+
struct btrfs_trans_handle {
u64 transid;
u64 alloc_exclude_start;
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_trans_handle *h = malloc(sizeof(*h));
- BUG_ON(!h);
- BUG_ON(root->commit_root);
- BUG_ON(fs_info->running_transaction);
+ if (!h)
+ return ERR_PTR(-ENOMEM);
+ if (root->commit_root) {
+ error("commit_root aleady set when starting transaction");
+ kfree(h);
+ return ERR_PTR(-EINVAL);
+ }
+ if (fs_info->running_transaction) {
+ error("attempt to start transaction over already running one");
+ kfree(h);
+ return ERR_PTR(-EINVAL);
+ }
fs_info->running_transaction = h;
fs_info->generation++;
h->transid = fs_info->generation;