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From: Josef Bacik <josef@toxicpanda.com>
To: linux-btrfs@vger.kernel.org, kernel-team@fb.com
Subject: [PATCH 04/13] btrfs: make should_end_transaction check time to run delayed refs
Date: Fri, 13 Mar 2020 17:23:21 -0400	[thread overview]
Message-ID: <20200313212330.149024-5-josef@toxicpanda.com> (raw)
In-Reply-To: <20200313212330.149024-1-josef@toxicpanda.com>

Currently snapshot deletion checks to see if it needs to throttle itself
before ending a transaction, however this only checks if there's enough
space for delayed refs, not how much time it'll take to run those
delayed refs.  Fix this by checking btrfs_should_throttle_delayed_refs
as well, which takes into account how much time it'll take to run
delayed refs.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
---
 fs/btrfs/transaction.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 8d34d7e0adb6..309a2a60040f 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -859,7 +859,8 @@ static int should_end_transaction(struct btrfs_trans_handle *trans)
 {
 	struct btrfs_fs_info *fs_info = trans->fs_info;
 
-	if (btrfs_check_space_for_delayed_refs(fs_info))
+	if (btrfs_should_throttle_delayed_refs(trans) ||
+	    btrfs_check_space_for_delayed_refs(fs_info))
 		return 1;
 
 	return !!btrfs_block_rsv_check(&fs_info->global_block_rsv, 5);
-- 
2.24.1


  parent reply	other threads:[~2020-03-13 21:23 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-13 21:23 [PATCH 00/13] Throttle delayed refs based on time Josef Bacik
2020-03-13 21:23 ` [PATCH 01/13] btrfs: use a stable rolling avg for delayed refs avg Josef Bacik
2020-03-13 21:23 ` [PATCH 02/13] btrfs: change btrfs_should_throttle_delayed_refs to a bool Josef Bacik
2020-03-13 21:23 ` [PATCH 03/13] btrfs: make btrfs_should_throttle_delayed_refs only check run time Josef Bacik
2020-03-13 21:23 ` Josef Bacik [this message]
2020-03-13 21:23 ` [PATCH 05/13] btrfs: squash should_end_transaction Josef Bacik
2020-03-13 21:23 ` [PATCH 06/13] btrfs: add a mode for delayed ref time based throttling Josef Bacik
2020-03-13 21:23 ` [PATCH 07/13] btrfs: kick off async delayed ref flushing if we are over time budget Josef Bacik
2020-04-09 13:11   ` Nikolay Borisov
2020-04-09 13:26   ` Nikolay Borisov
2020-03-13 21:23 ` [PATCH 08/13] btrfs: adjust the arguments for btrfs_should_throttle_delayed_refs Josef Bacik
2020-03-13 21:23 ` [PATCH 09/13] btrfs: throttle delayed refs based on time Josef Bacik
2020-03-13 21:23 ` [PATCH 10/13] btrfs: handle uncontrolled delayed ref generation Josef Bacik
2020-03-13 21:23 ` [PATCH 11/13] btrfs: check delayed refs while relocating Josef Bacik
2020-03-13 21:23 ` [PATCH 12/13] btrfs: throttle truncate for delayed ref generation Josef Bacik
2020-03-13 21:23 ` [PATCH 13/13] btrfs: throttle snapshot delete on delayed refs Josef Bacik

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