On Wed, Oct 24, 2018 at 03:24:29PM -0400, Mikulas Patocka wrote:
> What about allocating a big file, using the FIEMAP ioctl to find the
For reference, dmfilemapd in the lvm2 tree (in daemons/) uses FIEMAP
(in libdm/libdm-stats.c) for monitoring I/O by file.
> If you decide that rollback is no lo
On Tue, Oct 23, 2018 at 02:23:28PM -0700, Paul Lawrence wrote:
> It is planned to use this driver to enable restoration of a failed
> update attempt on Android devices using ext4.
Could you say a bit more about the reason for this new dm target so we
can understand better what parameters you are t
Some more thoughts with your example, dmsetup might look like:
# dmsetup create --bootformat "lroot:uuid,rw,0 2097152 linear 8:2 0, \
2097152 2097152 linear 8:3 0, 4194304 2097152 linear 8:4 0"
- also supporting creating multiple devices if the semi-colon is used
- colon to separate name from uu
On Thu, May 04, 2017 at 01:18:41PM +0200, Enric Balletbo Serra wrote:
> I'm wondering if a command line like this would be acceptable.
1) Make sure the implementation continues to support backslash quoting
so that any characters you introduce with special meanings (comma,
semi-colon, double-quote
On Sat, Feb 20, 2016 at 10:13:49AM -0800, Kees Cook wrote:
> This is a resurrection of a patch series from a few years back, first
> brought to the dm maintainers in 2010. It creates a way to define dm
> devices on the kernel command line for systems that do not use an
> initramfs, or otherwise nee
