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| author | rendaw <7e9wc56emjakcm@s.rendaw.me> | 2019-04-29 12:08:51 +0200 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2019-04-29 12:19:03 +0200 |
| commit | 9d3053819dfd834a1c29a03427c41d8524b8a7d5 (patch) | |
| tree | 079b362a7ffa3d2c8b6947d27740de16e49c3c12 | |
| parent | 2f8198dfed1de935dfc60510a5514e5c289c3fc7 (diff) | |
| download | guix-9d3053819dfd834a1c29a03427c41d8524b8a7d5.tar guix-9d3053819dfd834a1c29a03427c41d8524b8a7d5.tar.gz | |
file-systems: Support the 'no-atime' flag.
* guix/build/syscalls.scm (MS_NOATIME): New variable.
* gnu/build/file-systems.scm (mount-flags->bit-mask): Support it.
* doc/guix.texi (File Systems): Document it and add cross-references to
the relevant documentation.
Co-authored-by: Ludovic Courtès <ludo@gnu.org>
| -rw-r--r-- | doc/guix.texi | 9 | ||||
| -rw-r--r-- | gnu/build/file-systems.scm | 2 | ||||
| -rw-r--r-- | guix/build/syscalls.scm | 2 |
3 files changed, 11 insertions, 2 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index 8f6e5bc20c..39d2ee476a 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -10753,10 +10753,15 @@ corresponding device mapping established. This is a list of symbols denoting mount flags. Recognized flags include @code{read-only}, @code{bind-mount}, @code{no-dev} (disallow access to special files), @code{no-suid} (ignore setuid and setgid -bits), and @code{no-exec} (disallow program execution.) +bits), @code{no-atime} (do not update file access times), and @code{no-exec} +(disallow program execution). @xref{Mount-Unmount-Remount,,, libc, The GNU C +Library Reference Manual}, for more information on these flags. @item @code{options} (default: @code{#f}) -This is either @code{#f}, or a string denoting mount options. +This is either @code{#f}, or a string denoting mount options passed to the +file system driver. @xref{Mount-Unmount-Remount,,, libc, The GNU C Library +Reference Manual}, for details and run @command{man 8 mount} for options for +various file systems. @item @code{mount?} (default: @code{#t}) This value indicates whether to automatically mount the file system when diff --git a/gnu/build/file-systems.scm b/gnu/build/file-systems.scm index c468144170..8bb10d574d 100644 --- a/gnu/build/file-systems.scm +++ b/gnu/build/file-systems.scm @@ -575,6 +575,8 @@ corresponds to the symbols listed in FLAGS." (logior MS_NODEV (loop rest))) (('no-exec rest ...) (logior MS_NOEXEC (loop rest))) + (('no-atime rest ...) + (logior MS_NOATIME (loop rest))) (() 0)))) diff --git a/guix/build/syscalls.scm b/guix/build/syscalls.scm index 66d63a2931..3316dc8dc5 100644 --- a/guix/build/syscalls.scm +++ b/guix/build/syscalls.scm @@ -39,6 +39,7 @@ MS_NODEV MS_NOEXEC MS_REMOUNT + MS_NOATIME MS_BIND MS_MOVE MS_STRICTATIME @@ -451,6 +452,7 @@ the returned procedure is called." (define MS_NODEV 4) (define MS_NOEXEC 8) (define MS_REMOUNT 32) +(define MS_NOATIME 1024) (define MS_BIND 4096) (define MS_MOVE 8192) (define MS_STRICTATIME 16777216) |