SDLOOP(3)SDLOOP(3)
NAME
sdloop – loopback storage device interface
SYNOPSIS
bind -a #S /dev
echo config switch on spec l type loop/path[!sectsize] >/dev/sdctl
/dev/sdl0/ctl
/dev/sdl0/raw
/dev/sdl0/data
...
DESCRIPTION
Sdloop
allows a file to be used as a sd device.
To configure
/tmp/data
as
sdl0:
with a 1024-byte sector size
echo config switch on spec l type loop//tmp/data!1024 >/dev/sdctl
To turn this device off,
echo config switch off spec l >/dev/sdctl
The configuration variable
loopdev
may be specified in
plan9.ini(8)
to configure a loopback
sd
device at boot. For example
loopdev=l!/tmp/data!1024
SOURCE
/sys/src/9/port/sdloop.c
SEE
sd(3),
sdaoe(3),
partfs(8)
BUGS
Maybe.