search for: cluster_offset

Displaying 3 results from an estimated 3 matches for "cluster_offset".

2012 Dec 19
3
!!!!!help!I wouldn't be able to meet the deadline!(qcow format image file read operation in qemu-img-xen)[updated]
...rmat image file,would be read .my purpose is to cache the data that is read from the backingfile when the hvm is running . Now what I concern is the following (which is in the /xen-4.1.2/tools/ioemu-qemu-xen/block-qcow.c) : static void qcow_aio_read_cb(void *opaque, int ret) { ........ if (!acb->cluster_offset) { if (bs->backing_hd) { /* read from the base image */ acb->hd_aiocb = bdrv_aio_read(bs->backing_hd, //************* acb->sector_num, acb->buf, acb->n, qcow_aio_read_cb, acb); //************** //I read wh...
2017 Nov 16
2
Re: [Qemu-devel] Effect of qemu-img convert -m and -W options
Am 16.11.2017 um 15:47 schrieb Stefan Hajnoczi: > On Wed, Nov 15, 2017 at 11:52:46AM +0000, Richard W.M. Jones wrote: >> [CC to qemu-devel since I'm obviously doing something wrong here, >> I'm just not sure what.] >> >> I was getting ready to add multiple threads to ‘qemu-img convert’ (the >> longest part of v2v conversions) when I noticed that it had them
2012 Apr 02
23
[PATCH 00 of 18] [v2] tools: fix bugs and build errors triggered by -O2 -Wall -Werror
Changes: tools/blktap: remove unneeded pointer dereferencing in convert_dev_name_to_num tools/blktap: constify string arrays in convert_dev_name_to_num tools/blktap: fix params and physical-device parsing tools/blktap: remove unneeded pointer dereferencing from img2qcow.c tools/blktap: remove unneeded pointer dereferencing from qcow2raw.c tools/blktap2: fix build errors caused by Werror in