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Diffstat (limited to 'fs/btrfs/transaction.c')
-rw-r--r--fs/btrfs/transaction.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 664782c6a2df..01b143605ec1 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -53,8 +53,6 @@ static noinline int join_transaction(struct btrfs_root *root)
GFP_NOFS);
BUG_ON(!cur_trans);
root->fs_info->generation++;
- root->fs_info->last_alloc = 0;
- root->fs_info->last_data_alloc = 0;
cur_trans->num_writers = 1;
cur_trans->num_joined = 0;
cur_trans->transid = root->fs_info->generation;
@@ -689,7 +687,13 @@ static noinline int wait_transaction_pre_flush(struct btrfs_fs_info *info)
prepare_to_wait(&info->transaction_wait, &wait,
TASK_UNINTERRUPTIBLE);
mutex_unlock(&info->trans_mutex);
+
+ atomic_dec(&info->throttles);
+ wake_up(&info->transaction_throttle);
+
schedule();
+
+ atomic_inc(&info->throttles);
mutex_lock(&info->trans_mutex);
finish_wait(&info->transaction_wait, &wait);
}
@@ -974,6 +978,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
int ret;
int should_grow = 0;
unsigned long now = get_seconds();
+ int flush_on_commit = btrfs_test_opt(root, FLUSHONCOMMIT);
btrfs_run_ordered_operations(root, 0);
@@ -1053,7 +1058,9 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
mutex_unlock(&root->fs_info->trans_mutex);
- if (snap_pending) {
+ if (flush_on_commit || snap_pending) {
+ if (flush_on_commit)
+ btrfs_start_delalloc_inodes(root);
ret = btrfs_wait_ordered_extents(root, 1);
BUG_ON(ret);
}