diff mbox series

[v4,07/12] btrfs: check reclaim_size in need_preemptive_reclaim

Message ID 90d587ce068421771a24ab819969de3e498dce61.1611695838.git.josef@toxicpanda.com (mailing list archive)
State New, archived
Headers show
Series Improve preemptive ENOSPC flushing | expand

Commit Message

Josef Bacik Jan. 26, 2021, 9:24 p.m. UTC 
If we're flushing space for tickets then we have
space_info->reclaim_size set and we do not need to do background
reclaim.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
---
 fs/btrfs/space-info.c | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/fs/btrfs/space-info.c b/fs/btrfs/space-info.c
index e68cd73b4222..c3c586b33b4b 100644
--- a/fs/btrfs/space-info.c
+++ b/fs/btrfs/space-info.c
@@ -812,6 +812,13 @@  static bool need_preemptive_reclaim(struct btrfs_fs_info *fs_info,
 	if ((space_info->bytes_used + space_info->bytes_reserved) >= thresh)
 		return 0;
 
+	/*
+	 * We have tickets queued, bail so we don't compete with the async
+	 * flushers.
+	 */
+	if (space_info->reclaim_size)
+		return 0;
+
 	if (!btrfs_calc_reclaim_metadata_size(fs_info, space_info))
 		return 0;