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-rw-r--r--gnu/build/linux-boot.scm72
1 files changed, 44 insertions, 28 deletions
diff --git a/gnu/build/linux-boot.scm b/gnu/build/linux-boot.scm
index ab05d1ba5e..8f0f3eb2fc 100644
--- a/gnu/build/linux-boot.scm
+++ b/gnu/build/linux-boot.scm
@@ -541,21 +541,36 @@ upon error."
(mount-essential-file-systems)
(let* ((args (linux-command-line))
(to-load (find-long-option "--load" args))
- (root-fs (find root-mount-point? mounts))
- (root-fs-type (or (and=> root-fs file-system-type)
- "ext4"))
- (root-fs-device (and=> root-fs file-system-device))
- (root-fs-flags (mount-flags->bit-mask
- (or (and=> root-fs file-system-flags)
- '())))
- (root-options (if root-fs
- (file-system-options root-fs)
- #f))
- ;; --root takes precedence over the 'device' field of the root
- ;; <file-system> record.
- (root-device (or (and=> (find-long-option "--root" args)
- device-string->file-system-device)
- root-fs-device)))
+ ;; If present, ‘--root’ on the kernel command line takes precedence
+ ;; over the ‘device’ field of the root <file-system> record.
+ (root-device (and=> (find-long-option "--root" args)
+ device-string->file-system-device))
+ (root-fs (or (find root-mount-point? mounts)
+ ;; Fall back to fictitious defaults.
+ (file-system (device (or root-device "/dev/root"))
+ (mount-point "/")
+ (type "ext4"))))
+ (fsck.mode (find-long-option "fsck.mode" args)))
+
+ (define (check? fs)
+ (match fsck.mode
+ ("skip" #f)
+ ("force" #t)
+ (_ (file-system-check? fs)))) ; assume "auto"
+
+ (define (skip-check-if-clean? fs)
+ (match fsck.mode
+ ("force" #f)
+ (_ (file-system-skip-check-if-clean? fs))))
+
+ (define (repair fs)
+ (let ((arg (find-long-option "fsck.repair" args)))
+ (if arg
+ (match arg
+ ("no" #f)
+ ("yes" #t)
+ (_ 'preen))
+ (file-system-repair fs))))
(when (member "--repl" args)
(start-repl))
@@ -611,23 +626,24 @@ upon error."
(if root-device
(mount-root-file-system (canonicalize-device-spec root-device)
- root-fs-type
+ (file-system-type root-fs)
#:volatile-root? volatile-root?
- #:flags root-fs-flags
- #:options root-options
- #:check? (if root-fs
- (file-system-check? root-fs)
- #t)
+ #:flags (mount-flags->bit-mask
+ (file-system-flags root-fs))
+ #:options (file-system-options root-fs)
+ #:check? (check? root-fs)
#:skip-check-if-clean?
- (and=> root-fs
- file-system-skip-check-if-clean?)
- #:repair (if root-fs
- (file-system-repair root-fs)
- 'preen))
+ (skip-check-if-clean? root-fs)
+ #:repair (repair root-fs))
(mount "none" "/root" "tmpfs"))
- ;; Mount the specified file systems.
- (for-each mount-file-system
+ ;; Mount the specified non-root file systems.
+ (for-each (lambda (fs)
+ (mount-file-system fs
+ #:check? (check? fs)
+ #:skip-check-if-clean?
+ (skip-check-if-clean? fs)
+ #:repair (repair fs)))
(remove root-mount-point? mounts))
(setenv "EXT2FS_NO_MTAB_OK" #f)