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Btrfs: make ordered operations be handled by multi-task

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The process of the ordered operations is similar to the delalloc inode flush, so
we handle them by flush workers.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
This commit is contained in:
Miao Xie
2012-10-25 09:31:03 +00:00
committed by Josef Bacik
parent 8ccf6f19b6
commit 25287e0a16
3 changed files with 46 additions and 22 deletions
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20
fs/btrfs/transaction.c
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@@ -1412,15 +1412,21 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
struct btrfs_transaction *cur_trans = trans->transaction;
struct btrfs_transaction *prev_trans = NULL;
DEFINE_WAIT(wait);
int ret = -EIO;
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);
if (cur_trans->aborted)
ret = btrfs_run_ordered_operations(root, 0);
if (ret) {
btrfs_abort_transaction(trans, root, ret);
goto cleanup_transaction;
}
if (cur_trans->aborted) {
ret = cur_trans->aborted;
goto cleanup_transaction;
}
/* make a pass through all the delayed refs we have so far
* any runnings procs may add more while we are here
@@ -1523,7 +1529,11 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
* it here and no for sure that nothing new will be added
* to the list
*/
btrfs_run_ordered_operations(root, 1);
ret = btrfs_run_ordered_operations(root, 1);
if (ret) {
btrfs_abort_transaction(trans, root, ret);
goto cleanup_transaction;
}
prepare_to_wait(&cur_trans->writer_wait, &wait,
TASK_UNINTERRUPTIBLE);