Palmer Dabbelt 1caf05ce90
ANDROID: dm: dm-user: New target that proxies BIOs to userspace ...
dm-user is essentially FUSE for block devices: as BIOs come in through
device mapper they are proxied to a userspace daemon via a control misc
device.
This is very much a work in progress. There's a handful of FIXMEs
spread throughout the code with more details. As far as I know there is
nothing broken with the current code, there's just more work to do.
Test: Ran the selftests on the version of this I'm developing for Linus'
tree, on both 4.19 and 5.8.
Bug: 161496058
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com >
Change-Id: If5bcd8a43c3db5b556563ba303f474dd0d2902e8
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