diff options
| author | Guillaume Le Vaillant <glv@posteo.net> | 2019-12-03 10:31:08 +0100 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2019-12-07 01:00:24 +0100 |
| commit | 0dc5c85638b49d5aed043420346083935ac51435 (patch) | |
| tree | a42ac2f5cb1e8bd3035fbc3b78bad770e50c95e0 | |
| parent | 158032bd7dcc33d17da8091b2319bf59ee9db6a1 (diff) | |
file-systems: Add support for 'strict-atime' and 'lazy-time' flags.
* guix/build/syscalls.scm (MS_LAZYTIME): New variable.
* gnu/build/file-systems.scm (mount-flags->bit-mask): Add match rules for
'strict-atime' and 'lazy-time'.
* doc/guix.texi (File Systems): Add 'strict-atime' and 'lazy-time' to the list
of supported flags.
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
| -rw-r--r-- | doc/guix.texi | 9 | ||||
| -rw-r--r-- | gnu/build/file-systems.scm | 5 | ||||
| -rw-r--r-- | guix/build/syscalls.scm | 3 |
3 files changed, 14 insertions, 3 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index 84548b1b7d..446534c576 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -11244,9 +11244,12 @@ 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), @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. +bits), @code{no-atime} (do not update file access times), +@code{strict-atime} (update file access time), @code{lazy-time} (only +update time on the in-memory version of the file inode), 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 passed to the diff --git a/gnu/build/file-systems.scm b/gnu/build/file-systems.scm index cb90fa0907..13c44aa728 100644 --- a/gnu/build/file-systems.scm +++ b/gnu/build/file-systems.scm @@ -2,6 +2,7 @@ ;;; Copyright © 2014, 2015, 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org> ;;; Copyright © 2016, 2017 David Craven <david@craven.ch> ;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com> +;;; Copyright © 2019 Guillaume Le Vaillant <glv@posteo.net> ;;; ;;; This file is part of GNU Guix. ;;; @@ -577,6 +578,10 @@ corresponds to the symbols listed in FLAGS." (logior MS_NOEXEC (loop rest))) (('no-atime rest ...) (logior MS_NOATIME (loop rest))) + (('strict-atime rest ...) + (logior MS_STRICTATIME (loop rest))) + (('lazy-time rest ...) + (logior MS_LAZYTIME (loop rest))) (() 0)))) diff --git a/guix/build/syscalls.scm b/guix/build/syscalls.scm index ce7999b433..248d6761fc 100644 --- a/guix/build/syscalls.scm +++ b/guix/build/syscalls.scm @@ -3,6 +3,7 @@ ;;; Copyright © 2015 David Thompson <davet@gnu.org> ;;; Copyright © 2015 Mark H Weaver <mhw@netris.org> ;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com> +;;; Copyright © 2019 Guillaume Le Vaillant <glv@posteo.net> ;;; ;;; This file is part of GNU Guix. ;;; @@ -43,6 +44,7 @@ MS_BIND MS_MOVE MS_STRICTATIME + MS_LAZYTIME MNT_FORCE MNT_DETACH MNT_EXPIRE @@ -451,6 +453,7 @@ the returned procedure is called." (define MS_BIND 4096) (define MS_MOVE 8192) (define MS_STRICTATIME 16777216) +(define MS_LAZYTIME 33554432) (define MNT_FORCE 1) (define MNT_DETACH 2) |