diff mbox series

[v3,2/2] btrfs: reserve new relocation block-group after successful relocation

Message ID 20240521-zoned-gc-v3-2-7db9742454c7@kernel.org (mailing list archive)
State New, archived
Headers show
Series btrfs: zoned: always set aside a zone for relocation | expand

Commit Message

Johannes Thumshirn May 21, 2024, 2:58 p.m. UTC 
From: Johannes Thumshirn <johannes.thumshirn@wdc.com>

After we've committed a relocation transaction, we know we have just freed
up space. Set it as hint for the next relocation.

Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
---
 fs/btrfs/relocation.c | 7 +++++++
 1 file changed, 7 insertions(+)

Comments

Naohiro Aota May 22, 2024, 1:17 a.m. UTC | #1 
On Tue, May 21, 2024 at 04:58:08PM GMT, Johannes Thumshirn wrote:
> From: Johannes Thumshirn <johannes.thumshirn@wdc.com>
> 
> After we've committed a relocation transaction, we know we have just freed
> up space. Set it as hint for the next relocation.
> 
> Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
> ---

Looks good.

Reviewed-by: Naohiro Aota <naohiro.aota@wdc.com>
diff mbox series

Patch

diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 8b24bb5a0aa1..764317a1c55d 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -3811,6 +3811,13 @@  static noinline_for_stack int relocate_block_group(struct reloc_control *rc)
 	ret = btrfs_commit_transaction(trans);
 	if (ret && !err)
 		err = ret;
+
+	/*
+	 * We know we have just freed space, set it as hint for the
+	 * next relocation.
+	 */
+	if (!err)
+		btrfs_reserve_relocation_bg(fs_info);
 out_free:
 	ret = clean_dirty_subvols(rc);
 	if (ret < 0 && !err)