diff options
| -rw-r--r-- | doc/guix.texi | 7 | ||||
| -rw-r--r-- | gnu/build/linux-boot.scm | 20 | ||||
| -rw-r--r-- | gnu/system/file-systems.scm | 15 |
3 files changed, 11 insertions, 31 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index cfe83909da..3ca4cefa63 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -5295,16 +5295,11 @@ variables. @defvr {Scheme Variable} %base-file-systems These are essential file systems that are required on normal systems, -such as @var{%devtmpfs-file-system} and @var{%immutable-store} (see +such as @var{%pseudo-terminal-file-system} and @var{%immutable-store} (see below.) Operating system declarations should always contain at least these. @end defvr -@defvr {Scheme Variable} %devtmpfs-file-system -The @code{devtmpfs} file system to be mounted on @file{/dev}. This is a -requirement for udev (@pxref{Base Services, @code{udev-service}}). -@end defvr - @defvr {Scheme Variable} %pseudo-terminal-file-system This is the file system to be mounted as @file{/dev/pts}. It supports @dfn{pseudo-terminals} created @i{via} @code{openpty} and similar diff --git a/gnu/build/linux-boot.scm b/gnu/build/linux-boot.scm index 3081a93a97..30d6570b04 100644 --- a/gnu/build/linux-boot.scm +++ b/gnu/build/linux-boot.scm @@ -48,7 +48,7 @@ ;;; Code: (define* (mount-essential-file-systems #:key (root "/")) - "Mount /proc and /sys under ROOT." + "Mount /dev, /proc, and /sys under ROOT." (define (scope dir) (string-append root (if (string-suffix? "/" root) @@ -60,6 +60,10 @@ (mkdir (scope "proc"))) (mount "none" (scope "proc") "proc") + (unless (file-exists? (scope "dev")) + (mkdir (scope "dev"))) + (mount "none" (scope "dev") "devtmpfs") + (unless (file-exists? (scope "sys")) (mkdir (scope "sys"))) (mount "none" (scope "sys") "sysfs")) @@ -71,7 +75,7 @@ (unless (file-exists? target) (mkdir target)) (mount dir target "" MS_MOVE))) - '("/proc" "/sys"))) + '("/dev" "/proc" "/sys"))) (define (linux-command-line) "Return the Linux kernel command line as a list of strings." @@ -100,7 +104,7 @@ with the given MAJOR number, starting with MINOR." (define* (make-essential-device-nodes #:key (root "/")) "Make essential device nodes under ROOT/dev." - ;; The hand-made udev! + ;; The hand-made devtmpfs/udev! (define (scope dir) (string-append root @@ -255,7 +259,8 @@ UNIONFS." (mount "none" "/rw-root" "tmpfs") ;; We want read-write /dev nodes. - (make-essential-device-nodes #:root "/rw-root") + (mkdir-p "/rw-root/dev") + (mount "none" "/rw-root/dev" "devtmpfs") ;; Make /root a union of the tmpfs and the actual root. Use ;; 'max_files' to set a high RLIMIT_NOFILE for the unionfs process @@ -385,9 +390,6 @@ to it are lost." (unless (configure-qemu-networking) (display "network interface is DOWN\n"))) - ;; Make /dev nodes. - (make-essential-device-nodes) - ;; Prepare the real root file system under /root. (unless (file-exists? "/root") (mkdir "/root")) @@ -405,10 +407,6 @@ to it are lost." #:volatile-root? volatile-root?) (mount "none" "/root" "tmpfs")) - (unless (file-exists? "/root/dev") - (mkdir "/root/dev") - (make-essential-device-nodes #:root "/root")) - ;; Mount the specified file systems. (for-each mount-file-system (remove root-mount-point? mounts)) diff --git a/gnu/system/file-systems.scm b/gnu/system/file-systems.scm index b177f93398..8155b273e3 100644 --- a/gnu/system/file-systems.scm +++ b/gnu/system/file-systems.scm @@ -47,7 +47,6 @@ %binary-format-file-system %shared-memory-file-system %pseudo-terminal-file-system - %devtmpfs-file-system %immutable-store %control-groups %elogind-file-systems @@ -186,17 +185,6 @@ UUID representation." (type "binfmt_misc") (check? #f))) -(define %devtmpfs-file-system - ;; /dev as a 'devtmpfs' file system, needed for udev. - (file-system - (device "none") - (mount-point "/dev") - (type "devtmpfs") - (check? #f) - - ;; Mount it from the initrd so /dev/pts & co. can then be mounted over it. - (needed-for-boot? #t))) - (define %tty-gid ;; ID of the 'tty' group. Allocate it statically to make it easy to refer ;; to it from here and from the 'tty' group definitions. @@ -282,8 +270,7 @@ UUID representation." (define %base-file-systems ;; List of basic file systems to be mounted. Note that /proc and /sys are ;; currently mounted by the initrd. - (append (list %devtmpfs-file-system - %pseudo-terminal-file-system + (append (list %pseudo-terminal-file-system %shared-memory-file-system %immutable-store) %elogind-file-systems |