From: Stefan Hajnoczi <stefanha@gmail.com>
To: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Cc: kwolf@redhat.com, jcody@redhat.com, qemu-devel@nongnu.org,
stefanha@redhat.com, mreitz@redhat.com
Subject: Re: [Qemu-devel] [PATCH V7 2/6] qcow2: add error message in qcow2_write_snapshots()
Date: Fri, 20 Dec 2013 14:48:54 +0100 [thread overview]
Message-ID: <20131220134854.GA9296@stefanha-thinkpad.redhat.com> (raw)
In-Reply-To: <1386244972-528-3-git-send-email-xiawenc@linux.vnet.ibm.com>
On Thu, Dec 05, 2013 at 08:02:48PM +0800, Wenchao Xia wrote:
> @@ -227,24 +236,40 @@ static int qcow2_write_snapshots(BlockDriverState *bs)
>
> ret = bdrv_pwrite(bs->file, offset, &h, sizeof(h));
> if (ret < 0) {
> + error_setg_errno(errp, -ret,
> + "Failed in write of snapshot header at %"
> + PRIi64 " with size %d",
> + offset, (int)sizeof(h));
The casts in this patch are not necessary:
size_t == %zu
ssize_t == %zd
(Very minor point but in case you respin)
next prev parent reply other threads:[~2013-12-20 13:49 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-05 12:02 [Qemu-devel] [PATCH V7 0/6] qcow2: rollback the modification on fail in snapshot creation Wenchao Xia
2013-12-05 12:02 ` [Qemu-devel] [PATCH V7 1/6] snapshot: add parameter *errp in snapshot create Wenchao Xia
2013-12-20 14:26 ` Stefan Hajnoczi
2013-12-05 12:02 ` [Qemu-devel] [PATCH V7 2/6] qcow2: add error message in qcow2_write_snapshots() Wenchao Xia
2013-12-20 13:48 ` Stefan Hajnoczi [this message]
2013-12-05 12:02 ` [Qemu-devel] [PATCH V7 3/6] qcow2: do not free clusters when fail in header update in qcow2_write_snapshots Wenchao Xia
2013-12-05 12:02 ` [Qemu-devel] [PATCH V7 4/6] qcow2: cancel the modification on fail in qcow2_snapshot_create() Wenchao Xia
2013-12-20 14:20 ` Stefan Hajnoczi
2013-12-23 2:57 ` Wenchao Xia
2013-12-23 6:12 ` Wenchao Xia
2014-01-02 3:42 ` Stefan Hajnoczi
2013-12-05 12:02 ` [Qemu-devel] [PATCH V7 5/6] blkdebug: add debug events for snapshot Wenchao Xia
2013-12-05 12:02 ` [Qemu-devel] [PATCH V7 6/6] qemu-iotests: add test for qcow2 snapshot Wenchao Xia
2013-12-09 3:41 ` [Qemu-devel] [PATCH V7 0/6] qcow2: rollback the modification on fail in snapshot creation Wenchao Xia
2013-12-13 2:15 ` Wenchao Xia
2013-12-18 2:13 ` Wenchao Xia
2013-12-18 13:26 ` Stefan Hajnoczi
2013-12-20 14:27 ` Stefan Hajnoczi
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