diff options
Diffstat (limited to 'gnu/installer/parted.scm')
| -rw-r--r-- | gnu/installer/parted.scm | 47 |
1 files changed, 34 insertions, 13 deletions
diff --git a/gnu/installer/parted.scm b/gnu/installer/parted.scm index 289cd660fd..66e07574c9 100644 --- a/gnu/installer/parted.scm +++ b/gnu/installer/parted.scm @@ -81,7 +81,7 @@ with-delay-device-in-use? force-device-sync - non-install-devices + eligible-devices partition-user-type user-fs-type-name partition-filesystem-user-type @@ -356,28 +356,49 @@ fail. See rereadpt function in wipefs.c of util-linux for an explanation." (and=> (uuid root) find-partition-by-uuid))))) -(define (non-install-devices) - "Return all the available devices, except the install device." +;; Minimal installation device size. +(define %min-device-size + (* 2 GIBIBYTE-SIZE)) ;2GiB + +(define (eligible-devices) + "Return all the available devices except the install device and the devices +which are smaller than %MIN-DEVICE-SIZE." (define the-installer-root-partition-path (installer-root-partition-path)) + (define (small-device? device) + (let ((length (device-length device)) + (sector-size (device-sector-size device))) + (and (< (* length sector-size) %min-device-size) + (syslog "~a is not eligible because it is smaller than ~a.~%" + (device-path device) + (unit-format-custom-byte device + %min-device-size + UNIT-GIGABYTE))))) + ;; Read partition table of device and compare each path to the one ;; we're booting from to determine if it is the installation ;; device. (define (installation-device? device) ;; When using CDROM based installation, the root partition path may be the ;; device path. - (or (string=? the-installer-root-partition-path - (device-path device)) - (let ((disk (disk-new device))) - (and disk - (any (lambda (partition) - (string=? the-installer-root-partition-path - (partition-get-path partition))) - (disk-partitions disk)))))) - - (remove installation-device? (devices))) + (and (or (string=? the-installer-root-partition-path + (device-path device)) + (let ((disk (disk-new device))) + (and disk + (any (lambda (partition) + (string=? the-installer-root-partition-path + (partition-get-path partition))) + (disk-partitions disk))))) + (syslog "~a is not eligible because it is the installation device.~%" + (device-path device)))) + + (remove + (lambda (device) + (or (installation-device? device) + (small-device? device))) + (devices))) ;; |