From 9ff07e7d634cb005e7c5dc5e2c28a06508eb4fbf Mon Sep 17 00:00:00 2001
From: Mikulas Patocka <mpatocka@redhat.com>
Date: Wed, 25 Jul 2018 02:34:06 -0400
Subject: [PATCH] dm writecache: report start_sector in status line
Git-commit: 9ff07e7d634cb005e7c5dc5e2c28a06508eb4fbf
References: bsc#1111974
Patch-mainline: v4.19-rc1
Fixes: d284f8248c7 ("dm writecache: support optional offset for start of device")
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Coly Li <colyli@suse.de>
---
drivers/md/dm-writecache.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c
index 87107c995cb5..e672e1d17bf1 100644
--- a/drivers/md/dm-writecache.c
+++ b/drivers/md/dm-writecache.c
@@ -2240,6 +2240,8 @@ static void writecache_status(struct dm_target *ti, status_type_t type,
DMEMIT("%c %s %s %u ", WC_MODE_PMEM(wc) ? 'p' : 's',
wc->dev->name, wc->ssd_dev->name, wc->block_size);
extra_args = 0;
+ if (wc->start_sector)
+ extra_args += 2;
if (wc->high_wm_percent_set)
extra_args += 2;
if (wc->low_wm_percent_set)
@@ -2254,6 +2256,8 @@ static void writecache_status(struct dm_target *ti, status_type_t type,
extra_args++;
DMEMIT("%u", extra_args);
+ if (wc->start_sector)
+ DMEMIT(" start_sector %llu", (unsigned long long)wc->start_sector);
if (wc->high_wm_percent_set) {
x = (uint64_t)wc->freelist_high_watermark * 100;
x += wc->n_blocks / 2;
@@ -2280,7 +2284,7 @@ static void writecache_status(struct dm_target *ti, status_type_t type,
static struct target_type writecache_target = {
.name = "writecache",
- .version = {1, 1, 0},
+ .version = {1, 1, 1},
.module = THIS_MODULE,
.ctr = writecache_ctr,
.dtr = writecache_dtr,
--
2.19.0