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authorJosef Bacik <josef@redhat.com>2012-05-31 15:52:43 -0400
committerChris Mason <chris.mason@oracle.com>2012-06-14 21:29:13 -0400
commit7b8b92af58db347de64a237861fcf13374b34a9c (patch)
tree09b7c7cc0eb37d8e6d98127e2fef2b679a998059 /fs
parentd7096fc3ef8360f30f228344bc564d4f97d8a158 (diff)
Btrfs: abort the transaction if the commit fails
If a transaction commit fails we don't abort it so we don't set an error on the file system. This patch fixes that by actually calling the abort stuff and then adding a check for a fs error in the transaction start stuff to make sure it is caught properly. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/transaction.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 59e0203bfb95..b72b068183ec 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -100,6 +100,10 @@ loop:
kmem_cache_free(btrfs_transaction_cachep, cur_trans);
cur_trans = fs_info->running_transaction;
goto loop;
+ } else if (root->fs_info->fs_state & BTRFS_SUPER_FLAG_ERROR) {
+ spin_unlock(&root->fs_info->trans_lock);
+ kmem_cache_free(btrfs_transaction_cachep, cur_trans);
+ return -EROFS;
}
atomic_set(&cur_trans->num_writers, 1);
@@ -1213,12 +1217,14 @@ int btrfs_commit_transaction_async(struct btrfs_trans_handle *trans,
static void cleanup_transaction(struct btrfs_trans_handle *trans,
- struct btrfs_root *root)
+ struct btrfs_root *root, int err)
{
struct btrfs_transaction *cur_trans = trans->transaction;
WARN_ON(trans->use_count > 1);
+ btrfs_abort_transaction(trans, root, err);
+
spin_lock(&root->fs_info->trans_lock);
list_del_init(&cur_trans->list);
if (cur_trans == root->fs_info->running_transaction) {
@@ -1530,7 +1536,7 @@ cleanup_transaction:
// WARN_ON(1);
if (current->journal_info == trans)
current->journal_info = NULL;
- cleanup_transaction(trans, root);
+ cleanup_transaction(trans, root, ret);
return ret;
}