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path: root/fs/btrfs/transaction.c
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Diffstat (limited to 'fs/btrfs/transaction.c')
-rw-r--r--fs/btrfs/transaction.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 1df67129cc3..48b455fdaac 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -670,7 +670,6 @@ static noinline int drop_dirty_roots(struct btrfs_root *tree_root,
atomic_dec(&root->fs_info->throttles);
wake_up(&root->fs_info->transaction_throttle);
- mutex_lock(&root->fs_info->alloc_mutex);
num_bytes -= btrfs_root_used(&dirty->root->root_item);
bytes_used = btrfs_root_used(&root->root_item);
if (num_bytes) {
@@ -678,7 +677,6 @@ static noinline int drop_dirty_roots(struct btrfs_root *tree_root,
btrfs_set_root_used(&root->root_item,
bytes_used - num_bytes);
}
- mutex_unlock(&root->fs_info->alloc_mutex);
ret = btrfs_del_root(trans, tree_root, &dirty->root->root_key);
if (ret) {