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linux-boot: Make /etc/mtab a symlink to /proc/self/mounts.

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Fixes <http://bugs.gnu.org/19491>.

* gnu/build/linux-boot.scm (mount-root-file-system): Make /root/etc/mtab
  a symlink to /proc/self/mounts.
* gnu/build/file-systems.scm (mount-file-system): Don't update /etc/mtab.
* guix/build/syscalls.scm (mount, umount): Have #:update-mtab? default to
  #f.
This commit is contained in:
宋文武 2015-01-05 22:07:03 +08:00
parent 4379c35b73
commit 9331ba5dd9
3 changed files with 7 additions and 11 deletions
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5
gnu/build/linux-boot.scm
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@ -275,7 +275,10 @@ UNIONFS."
(check-file-system root type)
(mount root "/root" type)))
(copy-file "/proc/mounts" "/root/etc/mtab"))
;; Make sure /root/etc/mtab is a symlink to /proc/self/mounts.
(when (file-exists? "/root/etc/mtab")
(delete-file "/root/etc/mtab"))
(symlink "/proc/self/mounts" "/root/etc/mtab"))
(define (switch-root root)
"Switch to ROOT as the root file system, in a way similar to what