GNU logs - #35494, boring messages

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Subject: [bug#35494] [PATCH] file-systems: Support the 'rel-atime' flag.
Resent-From: Danny Milosavljevic <dannym@HIDDEN>
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Cc: Danny Milosavljevic <dannym@HIDDEN>
From: Danny Milosavljevic <dannym@HIDDEN>
Date: Mon, 29 Apr 2019 20:56:10 +0200
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* guix/build/syscalls.scm (MS_RELATIME): New variable.
* gnu/build/file-systems.scm (mount-flags->bit-mask): Support it.
* doc/guix.texi (File Systems): Document it.
---
 doc/guix.texi              | 9 ++++++---
 gnu/build/file-systems.scm | 2 ++
 guix/build/syscalls.scm    | 2 ++
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/doc/guix.texi b/doc/guix.texi
index fcee57d9cd..20c9b570c9 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -10756,9 +10756,12 @@ 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-e=
xec}
-(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{rel-atime} (update file access time minimally), and
+@code{no-exec} (disallow program execution).
+
+@xref{Mount-Unmount-Remount,,, libc, The GNU C Library Reference Manual}=
,
+for more information on these flags.
=20
 @item @code{options} (default: @code{#f})
 This is either @code{#f}, or a string denoting mount options passed to t=
he
diff --git a/gnu/build/file-systems.scm b/gnu/build/file-systems.scm
index 8bb10d574d..06fdf0ccd8 100644
--- a/gnu/build/file-systems.scm
+++ b/gnu/build/file-systems.scm
@@ -577,6 +577,8 @@ corresponds to the symbols listed in FLAGS."
        (logior MS_NOEXEC (loop rest)))
       (('no-atime rest ...)
        (logior MS_NOATIME (loop rest)))
+      (('rel-atime rest ...)
+       (logior MS_RELATIME (loop rest)))
       (()
        0))))
=20
diff --git a/guix/build/syscalls.scm b/guix/build/syscalls.scm
index 3316dc8dc5..5039003bcb 100644
--- a/guix/build/syscalls.scm
+++ b/guix/build/syscalls.scm
@@ -40,6 +40,7 @@
             MS_NOEXEC
             MS_REMOUNT
             MS_NOATIME
+            MS_RELATIME
             MS_BIND
             MS_MOVE
             MS_STRICTATIME
@@ -455,6 +456,7 @@ the returned procedure is called."
 (define MS_NOATIME         1024)
 (define MS_BIND            4096)
 (define MS_MOVE            8192)
+(define MS_RELATIME     2097152)
 (define MS_STRICTATIME 16777216)
=20
 (define MNT_FORCE       1)

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From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: Danny Milosavljevic <dannym@HIDDEN>
Subject: bug#35494: Acknowledgement ([PATCH] file-systems: Support the
 'rel-atime' flag.)
Message-ID: <handler.35494.B.155656419419021.ack <at> debbugs.gnu.org>
References: <20190429185610.14475-1-dannym@HIDDEN>
X-Gnu-PR-Message: ack 35494
X-Gnu-PR-Package: guix-patches
X-Gnu-PR-Keywords: patch
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Date: Mon, 29 Apr 2019 18:57:02 +0000

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Message sent to guix-patches@HIDDEN:

Subject: [bug#35494] [PATCH] file-systems: Support the 'rel-atime' flag.
Resent-From: Tobias Geerinckx-Rice <me@HIDDEN>
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To: Danny Milosavljevic <dannym@HIDDEN>
Cc: 35494 <at> debbugs.gnu.org
From: Tobias Geerinckx-Rice <me@HIDDEN>
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Date: Mon, 29 Apr 2019 21:23:45 +0200
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--=-=-=
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Danny,

Danny Milosavljevic wrote:
> * guix/build/syscalls.scm (MS_RELATIME): New variable.
> * gnu/build/file-systems.scm (mount-flags->bit-mask): Support=20
> it.
> * doc/guix.texi (File Systems): Document it.
> ---
>  doc/guix.texi              | 9 ++++++---
>  gnu/build/file-systems.scm | 2 ++
>  guix/build/syscalls.scm    | 2 ++
>  3 files changed, 10 insertions(+), 3 deletions(-)
>
> diff --git a/doc/guix.texi b/doc/guix.texi
> index fcee57d9cd..20c9b570c9 100644
> --- a/doc/guix.texi
> +++ b/doc/guix.texi
> @@ -10756,9 +10756,12 @@ corresponding device mapping=20
> established.
>  This is a list of symbols denoting mount flags.  Recognized=20
>  flags
>  include @code{read-only}, @code{bind-mount}, @code{no-dev}=20
>  (disallow
>  access to special files), @code{no-suid} (ignore setuid and=20
>  setgid
> -bits), @code{no-atime} (do not update file access times), and=20
> @code{no-exec}
> -(disallow program execution).  @xref{Mount-Unmount-Remount,,,=20
> libc, The GNU C
> -Library Reference Manual}, for more information on these flags.
> +bits), @code{no-atime} (do not update file access times),
> +@code{rel-atime} (update file access time minimally), and
                                             ^^^^^^^^^

That's a great way to explain it in 5 words, but note that there's=20
also =E2=80=98lazytime=E2=80=99 which does the same thing, only slightly le=
ss so=20
:-)

(How about adding that, too?)

MHO: since we're adding a hyphen and not blindly following=20
upstream already, I think the symbol itself should be=20
=E2=80=98relative-atime=E2=80=99.  Abbrevs r meh.

Kind regards,

T G-R

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