search for: shinkevich

...ction get_root_uuid() fails to get the UUID of the disk image. In this case, let us read the first 256k bytes of the disk image with the 'qemu-img dd' command. Then pass the read block to the 'file' command. Suggested-by: Denis V. Lunev <den@openvz.org> Signed-off-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com> --- v3: 01: The code refactoring was made based on reviewers comments. The e-mail thread Message-Id: <1597246570-901723-1-git-send-email-andrey.shinkevich@virtuozzo.com> lib/appliance-kcmdline.c | 68 +++++++++++++++++++++++++++++++++++++...

On Thu, Aug 13, 2020 at 07:48:52AM +0300, Andrey Shinkevich wrote: > For the appliance of the QCOW2 format, the function get_root_uuid() > fails to get the UUID of the disk image. > In this case, let us read the first 256k bytes of the disk image with > the 'qemu-img dd' command. Then pass the read block to the 'file' > comma...

...format, get the UUID of the disk by reading the first 256k bytes with 'qemu-img dd' command. Then pass the read block to the 'file' command. In case of failure, run the 'file' command again directly. Suggested-by: Denis V. Lunev <den@openvz.org> Signed-off-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com> --- v2: 01: The order of the function calls to direct <file> command on the appliance and the indirect one (through the temporary file) has been swapped. lib/appliance-kcmdline.c | 70 +++++++++++++++++++++++++++++++++++++++++++++++- 1 file ch...

On Wed, Aug 12, 2020 at 03:52:34PM +0300, Vladimir Sementsov-Ogievskiy wrote: > 12.08.2020 15:39, Andrey Shinkevich wrote: > >For the appliance of the QCOW2 format, get the UUID of the disk by > >reading the first 256k bytes with 'qemu-img dd' command. Then pass the > >read block to the 'file' command. In case of failure, run the 'file' > >command again directly. &...

On Wed, Aug 12, 2020 at 04:12:28PM +0300, Vladimir Sementsov-Ogievskiy wrote: > 12.08.2020 15:52, Vladimir Sementsov-Ogievskiy wrote: > >12.08.2020 15:39, Andrey Shinkevich wrote: > >>For the appliance of the QCOW2 format, get the UUID of the disk by > >>reading the first 256k bytes with 'qemu-img dd' command. Then pass the > >>read block to the 'file' command. In case of failure, run the 'file' > >>command a...

...format, get the UUID of the disk by reading the first 256k bytes with 'qemu-img dd' command. Then pass the read block to the 'file' command. In case of failure, run the 'file' command again directly. Suggested-by: Denis V. Lunev <den@openvz.org> Signed-off-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com> --- lib/appliance-kcmdline.c | 70 +++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 69 insertions(+), 1 deletion(-) diff --git a/lib/appliance-kcmdline.c b/lib/appliance-kcmdline.c index 211cc46..3bb8bcd 100644 --- a/lib/appliance-kcmdline.c...

See the cross-post cover letter for more details: https://www.redhat.com/archives/libguestfs/2019-August/msg00322.html Based-on: https://lists.gnu.org/archive/html/qemu-devel/2019-08/msg04805.html [Andrey Shinkevich block: workaround for unaligned byte range in fallocate()] Eric Blake (5): nbd: Improve per-export flag handling in server nbd: Prepare for NBD_CMD_FLAG_FAST_ZERO nbd: Implement client use of NBD FAST_ZERO nbd: Implement server use of NBD FAST_ZERO nbd: Tolerate more errors to structured...

...y wrote: > 23.08.2019 17:37, Eric Blake wrote: >> See the cross-post cover letter for more details: >> https://www.redhat.com/archives/libguestfs/2019-August/msg00322.html >> >> Based-on: https://lists.gnu.org/archive/html/qemu-devel/2019-08/msg04805.html >> [Andrey Shinkevich block: workaround for unaligned byte range in fallocate()] > > I assume, I can look at git://repo.or.cz/qemu/ericb.git fast-zero branch? Yes, I posted a fast-zero branch for all four projects that I touched (with the obvious similar URLs). They might have non-fast-forward changes as I rebas...

This is a cover letter to a series of patches being proposed in tandem to four different projects: - nbd: Document a new NBD_CMD_FLAG_FAST_ZERO command flag - qemu: Implement the flag for both clients and server - libnbd: Implement the flag for clients - nbdkit: Implement the flag for servers, including the nbd passthrough client If you want to test the patches together, I've pushed a