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...-- guestmount --rw -a ${disk_path}/${disk_name} --trace --verbose -m /dev/sda4 /tmp/freebsd-master' here: http://pastebin.com/NT2b2HM9 This appears to be a similar problem to this one, in which I gathered that r/w to ufs is not possible: https://www.redhat.com/archives/libguestfs/2012-June/msg00077.html I get the feeling that this is something I'd need to roll my own kernel for, or perhaps just the module? If anyone could point me in the right direction, that'd be awesome. My apologies for the noise if this is the wrong list for this type of question. Andre Goree -=-=-=-=-=- Em...

Hi, This set of patches remarkably accelerates IDE PIO on HVM/IA64. I got a throughput of 2.11MB/sec in disk read performance. Without it, it was only 64kB/sec. I posted the prototype once. http://lists.xensource.com/archives/html/xen-devel/2006-12/msg00077.html The basic idea is to add a buffering mechanism in a hypervisor. I know this approach is not sophisticated. But there is no other good way in IA64 which has no string instructions like x86''s. This patchset is indispensable to support windows/ia64 on HVM since installing windows and c...

Confirmed issue as reported. There is an upstream patch available to support the newer msdos parameter as well. http://lists.xensource.com/archives/html/xen-devel/2010-10/msg00077.html -M

...ically you need to recompile your kernel with read-write UFS support (or persuade whoever compiles your kernel to do the same). > This appears to be a similar problem to this one, in which I > gathered that r/w to ufs is not possible: > https://www.redhat.com/archives/libguestfs/2012-June/msg00077.html > > I get the feeling that this is something I'd need to roll my own > kernel for, or perhaps just the module? If anyone could point me in > the right direction, that'd be awesome. My apologies for the noise > if this is the wrong list for this type of question. Rich...

On Fri, Jul 27, 2018 at 04:23:10PM -0500, Eric Blake wrote: > On 07/27/2018 04:03 PM, Nir Soffer wrote: > >When using block device on RHEL 7.5, file plugin fails to zero with this > >error (copied from strace): > > > >[pid 39551] fallocate(8, FALLOC_FL_ZERO_RANGE, 1536, 64000) = -1 ENODEV (No such device) > > > >This is expected error according to the manual:

Fix issues Eric found in the original patch: https://www.redhat.com/archives/libguestfs/2018-July/msg00072.html - When handling ENODEV, the caller is expecting EOPNOTSUPP to trigger fallback. - ENODEV should be ignored in file_trim. Tested only on Fedora 28 and RHEL 7.5. --- plugins/file/file.c | 33 ++++++++++++++++++++++++--------- 1 file changed, 24 insertions(+), 9 deletions(-) diff

Not sure what version we're up to, but this reimplements extents using the new simpler structure described in this thread: https://www.redhat.com/archives/libguestfs/2019-March/msg00077.html I also fixed most of the things that Eric pointed out in the previous review, although I need to go back over his replies and check I've got everything. This needs a bit more testing. However the tests do work. Rich.