Commit 643900be authored by Nikolay Borisov's avatar Nikolay Borisov Committed by David Sterba
Browse files

btrfs: record delta directly in transaction_kthread 



Rename 'now' to 'delta' and store there the delta between transaction
start time and current time. This is in preparation for optimising the
sleep logic in the next patch. No functional changes.

Signed-off-by: default avatarNikolay Borisov <nborisov@suse.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent e4e42881

fs/btrfs/disk-io.c

+3 −3
Original line number Diff line number Diff line
@@ -1774,7 +1774,7 @@ static int transaction_kthread(void *arg) 
	struct btrfs_trans_handle *trans;

	struct btrfs_transaction *cur;

	u64 transid;

	time64_t now;

	time64_t delta;

	unsigned long delay;

	bool cannot_commit;
@@ -1790,9 +1790,9 @@ static int transaction_kthread(void *arg) 
			goto sleep;

		}



		now = ktime_get_seconds();

		delta = ktime_get_seconds() - cur->start_time;

		if (cur->state < TRANS_STATE_COMMIT_START &&

		    now - cur->start_time < fs_info->commit_interval) {

		    delta < fs_info->commit_interval) {

			spin_unlock(&fs_info->trans_lock);

			delay = msecs_to_jiffies(5000);

			goto sleep;