On Tue, 9 May 2023 11:53:35 -0700
Jaegeuk Kim [off-list ref] wrote:

On 05/08, Daejun Park wrote:

quoted

v5 -> v6
Added trace_f2fs_iostat support for zone reset command.

v4 -> v5
Added f2fs iostat for zone reset command.

v3 -> v4
Fixed build error caused by unused function.

v2 -> v3
Modified arguments to be correct for ftrace parameter.
Changed __submit_zone_reset_cmd to void return.
Refactored the f2fs_wait_discard_bio function.
Fixed code that was previously incorrectly merged.

v1 -> v2
Changed to apply the optional async reset write pointer by default.  

Don't add the history in the patch description.

Well, you can (and should) ...

quoted

This patch enables submit reset zone command asynchornously. It helps
decrease average latency of write IOs in high utilization scenario by
faster checkpointing.

Signed-off-by: Daejun Park <redacted>
---

But it must go below the three dashes above. That will keep 'git am'
from adding it to the change log.

-- Steve

quoted

 fs/f2fs/f2fs.h              |  1 +
 fs/f2fs/iostat.c            |  1 +
 fs/f2fs/segment.c           | 84 +++++++++++++++++++++++++++++++++++--
 include/trace/events/f2fs.h | 24 +++++++++--
 4 files changed, 104 insertions(+), 6 deletions(-)

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index d211ee89c158..51b68a629814 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h

@@ -1175,6 +1175,7 @@ enum iostat_type {
 	/* other */
 	FS_DISCARD_IO,			/* discard */
 	FS_FLUSH_IO,			/* flush */
+	FS_ZONE_RESET_IO,		/* zone reset */
 	NR_IO_TYPE,
 };