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-rw-r--r--doc/guix.texi19
1 files changed, 10 insertions, 9 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index 9630ae1c58..51884c3c6f 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -3649,23 +3649,24 @@ at boot time, you can define the @code{initrd} field of the operating
system declaration like this:
@example
-(initrd (cut base-initrd <>
- #:extra-modules '("my.ko" "modules.ko")))
+(initrd (lambda (file-systems . rest)
+ (apply base-initrd file-systems
+ #:extra-modules '("my.ko" "modules.ko")
+ rest)))
@end example
-@noindent
-Note that for the example above, the SRFI-26 module needs to be imported
-(@pxref{SRFI-26,,, guile, GNU Guile Reference Manual}).
-
-It also handles common use cases that involves using the system as a
-QEMU guest, or as a ``live'' system whose root file system is volatile.
+The @code{base-initrd} procedure also handles common use cases that
+involves using the system as a QEMU guest, or as a ``live'' system whose
+root file system is volatile.
@deffn {Monadic Procedure} base-initrd @var{file-systems} @
[#:qemu-networking? #f] [#:virtio? #f] [#:volatile-root? #f] @
- [#:extra-modules '()]
+ [#:extra-modules '()] [#:mapped-devices '()]
Return a monadic derivation that builds a generic initrd. @var{file-systems} is
a list of file-systems to be mounted by the initrd, possibly in addition to
the root file system specified on the kernel command line via @code{--root}.
+@var{mapped-devices} is a list of device mappings to realize before
+@var{file-systems} are mounted (@pxref{Mapped Devices}).
When @var{qemu-networking?} is true, set up networking with the standard QEMU
parameters. When @var{virtio?} is true, load additional modules so the initrd can