From: luomeng <luomeng12@huawei.com>
To: Mike Snitzer <snitzer@redhat.com>
Cc: yukuai3@huawei.com, dm-devel@redhat.com, ejt@redhat.com, agk@redhat.com
Subject: Re: [dm-devel] Revert "dm space maps: don't reset space map allocation cursor when committing"
Date: Tue, 1 Mar 2022 22:07:59 +0800 [thread overview]
Message-ID: <f73ee01c-49be-a0d3-3646-0afdf166720a@huawei.com> (raw)
In-Reply-To: <YhzsJKjj4VK1wK/W@redhat.com>
Because thin-pool is storage over-commitment, one of the following
scenarios exists: constantly create and delete file, then the search
doesn't hit the end of the metadata device, but ramdisk hits the end
(not support discard). So the cursor doesn't reset.
在 2022/2/28 23:37, Mike Snitzer 写道:
> What you're saying doesn't make any sense. Especially when you
> consider this last part of the commit message:
> "Fix these issues by leaving the cursor alone, only resetting when the
> search hits the end of the metadata device."
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next prev parent reply other threads:[~2022-03-02 6:26 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-28 14:13 [dm-devel] [PTACH] Revert "dm space maps: don't reset space map allocation cursor when committing" Luo Meng
2022-02-28 15:37 ` [dm-devel] " Mike Snitzer
2022-03-01 14:07 ` luomeng [this message]
2022-03-01 16:06 ` Edward Thornber
2022-03-08 4:03 ` luomeng
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