From: Huaisheng Ye <yehs2007@zoho.com>
To: mpatocka@redhat.com, snitzer@redhat.com, agk@redhat.com
Cc: dm-devel@redhat.com, linux-kernel@vger.kernel.org,
Huaisheng Ye <yehs1@lenovo.com>
Subject: [PATCH] dm writecache: correct uncommitted_block when discarding uncommitted entry
Date: Fri, 12 Jun 2020 23:59:11 +0800 [thread overview]
Message-ID: <20200612155911.96528-1-yehs2007@zoho.com> (raw)
From: Huaisheng Ye <yehs1@lenovo.com>
When uncommitted entry has been discarded, correct wc->uncommitted_block
for getting the exact number.
Signed-off-by: Huaisheng Ye <yehs1@lenovo.com>
---
drivers/md/dm-writecache.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c
index 4367cc7..64b4527 100644
--- a/drivers/md/dm-writecache.c
+++ b/drivers/md/dm-writecache.c
@@ -855,6 +855,8 @@ static void writecache_discard(struct dm_writecache *wc, sector_t start, sector_
}
discarded_something = true;
}
+ if (!writecache_entry_is_committed(wc, e))
+ wc->uncommitted_blocks--;
writecache_free_entry(wc, e);
}
--
1.8.3.1
next reply other threads:[~2020-06-12 16:00 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-12 15:59 Huaisheng Ye [this message]
2020-06-13 12:40 ` Mikulas Patocka
2020-06-17 16:41 ` Mike Snitzer
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200612155911.96528-1-yehs2007@zoho.com \
--to=yehs2007@zoho.com \
--cc=agk@redhat.com \
--cc=dm-devel@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mpatocka@redhat.com \
--cc=snitzer@redhat.com \
--cc=yehs1@lenovo.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®