From: Eric Blake <eblake@redhat.com>
To: Hu Tao <hutao@cn.fujitsu.com>, qemu-devel@nongnu.org
Cc: Kevin Wolf <kwolf@redhat.com>, Fam Zheng <famz@redhat.com>,
"Richard W.M. Jones" <rjones@redhat.com>,
Max Reitz <mreitz@redhat.com>,
Stefan Hajnoczi <stefanha@redhat.com>,
Yasunori Goto <y-goto@jp.fujitsu.com>
Subject: Re: [Qemu-devel] [PATCH v13 4/6] qapi: introduce PreallocMode and a new PreallocMode full.
Date: Tue, 02 Sep 2014 15:51:23 -0600 [thread overview]
Message-ID: <54063BDB.4070203@redhat.com> (raw)
In-Reply-To: <a2c13d50d041d36022ded9835b6e6e00dc41ac8f.1409299732.git.hutao@cn.fujitsu.com>
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On 08/29/2014 02:33 AM, Hu Tao wrote:
> This patch prepares for the subsequent patches.
>
> Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
> ---
> block/qcow2.c | 23 +++++++++++++++--------
> qapi/block-core.json | 16 ++++++++++++++++
> tests/qemu-iotests/049.out | 2 +-
> 3 files changed, 32 insertions(+), 9 deletions(-)
>
> @@ -1958,6 +1958,13 @@ static int qcow2_create(const char *filename, QemuOpts *opts, Error **errp)
> flags |= BLOCK_FLAG_LAZY_REFCOUNTS;
> }
>
> + if (prealloc && prealloc != PREALLOC_MODE_METADATA) {
I find it a bit awkward that you are checking for PREALLOC_MODE_OFF
implicitly ('prealloc &&') vs. checking for prealloc mode METADATA
explicitly. Since there are only three modes, would it be any simpler
to just have written:
if (prealloc == PREALLOC_MODE_FULL) {
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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next prev parent reply other threads:[~2014-09-02 21:51 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-29 8:33 [Qemu-devel] [PATCH v13 0/6] qcow2, raw: add preallocation=full Hu Tao
2014-08-29 8:33 ` [Qemu-devel] [PATCH v13 1/6] block: round up file size to nearest sector Hu Tao
2014-08-29 12:50 ` Eric Blake
2014-09-04 9:33 ` Kevin Wolf
2014-09-02 21:21 ` Max Reitz
2014-09-04 9:43 ` Kevin Wolf
2014-08-29 8:33 ` [Qemu-devel] [PATCH v13 2/6] block: don't convert file size to sector size Hu Tao
2014-09-02 21:24 ` Max Reitz
2014-09-04 9:57 ` Kevin Wolf
2014-09-05 9:07 ` Hu Tao
2014-08-29 8:33 ` [Qemu-devel] [PATCH v13 3/6] rename parse_enum_option to qapi_enum_parse and make it public Hu Tao
2014-09-02 21:27 ` Max Reitz
2014-09-03 1:30 ` Hu Tao
2014-09-04 10:03 ` Kevin Wolf
2014-08-29 8:33 ` [Qemu-devel] [PATCH v13 4/6] qapi: introduce PreallocMode and a new PreallocMode full Hu Tao
2014-09-02 21:32 ` Max Reitz
2014-09-03 1:31 ` Hu Tao
2014-09-02 21:51 ` Eric Blake [this message]
2014-09-03 1:35 ` Hu Tao
2014-09-04 12:17 ` Kevin Wolf
2014-08-29 8:33 ` [Qemu-devel] [PATCH v13 5/6] raw-posix: Add full preallocation option Hu Tao
2014-08-29 8:48 ` Richard W.M. Jones
2014-09-03 1:26 ` Hu Tao
2014-09-04 8:32 ` Hu Tao
2014-09-02 21:45 ` Max Reitz
2014-09-03 1:55 ` Hu Tao
2014-09-04 12:35 ` Kevin Wolf
2014-09-04 12:45 ` Richard W.M. Jones
2014-09-04 12:52 ` Kevin Wolf
2014-09-04 13:07 ` Richard W.M. Jones
2014-09-04 13:13 ` Daniel P. Berrange
2014-09-04 13:17 ` Kevin Wolf
2014-09-04 13:43 ` Richard W.M. Jones
2014-09-04 15:23 ` Kevin Wolf
2014-09-04 15:33 ` Richard W.M. Jones
2014-08-29 8:33 ` [Qemu-devel] [PATCH v13 6/6] qcow2: " Hu Tao
2014-09-02 21:55 ` Max Reitz
2014-09-04 13:09 ` Kevin Wolf
2014-09-09 3:23 ` Hu Tao
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