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-rw-r--r--gnu/system/file-systems.scm32
1 files changed, 31 insertions, 1 deletions
diff --git a/gnu/system/file-systems.scm b/gnu/system/file-systems.scm
index 05c77fe3e8..cbaca88e15 100644
--- a/gnu/system/file-systems.scm
+++ b/gnu/system/file-systems.scm
@@ -52,7 +52,16 @@
mapped-device-kind
mapped-device-kind?
mapped-device-kind-open
- mapped-device-kind-close))
+ mapped-device-kind-close
+
+ <file-system-mapping>
+ file-system-mapping
+ file-system-mapping?
+ file-system-mapping-source
+ file-system-mapping-target
+ file-system-mapping-writable?
+
+ %store-mapping))
;;; Commentary:
;;;
@@ -199,4 +208,25 @@ file system."
(close mapped-device-kind-close ;source target -> gexp
(default (const #~(const #f)))))
+
+;;;
+;;; Shared file systems, for VMs/containers.
+;;;
+
+;; Mapping of host file system SOURCE to mount point TARGET in the guest.
+(define-record-type* <file-system-mapping> file-system-mapping
+ make-file-system-mapping
+ file-system-mapping?
+ (source file-system-mapping-source) ;string
+ (target file-system-mapping-target) ;string
+ (writable? file-system-mapping-writable? ;Boolean
+ (default #f)))
+
+(define %store-mapping
+ ;; Mapping of the host's store into the guest.
+ (file-system-mapping
+ (source (%store-prefix))
+ (target (%store-prefix))
+ (writable? #f)))
+
;;; file-systems.scm ends here