git: rc.d: Add mounttmpfs to support tmpfs at /var/run and /tmp

[Aaron LI]

commit 80d125ead8e978ee0bbb457e6ca8c13577a15660
Author: Aaron LI <aly at aaronly.me>
Date:   Wed Apr 29 12:47:23 2020 +0800

    rc.d: Add mounttmpfs to support tmpfs at /var/run and /tmp
    
    We are already mounting a tmpfs at /var/run/shm to support shm_open()
    etc functions.  However, this makes it harder for a user to make
    /var/run on a tmpfs.  Actually, using a tmpfs for /var/run is a good
    idea, though the deamons/system need to create necessary folders, and
    Linux has adopted such a model for /run (symlink to /var/run) for years.
    
    Introduce the 'mounttmpfs' rc script to support mounting tmpfs at
    /var/run and /tmp, which is enabled by setting 'tmpfs_var_run=YES'
    and 'tmpfs_tmp=YES' in /etc/rc.conf, respectively.  The default values
    for these two new configurations are both 'NO'.
    
    The new 'mounttmpfs' rc script is ordered *after* 'mountcritremote', so
    that NFS-mounted /var is also properly handled, although I think
    NFS-mounted /var is not a good idea and I don't know anyone really need
    to do so.
    
    Also move the tmpfs mounting at /var/run/shm from 'mountcritlocal' to
    the new 'mounttmpfs' script.
    
    Reviewed-by: tuxillo

Summary of changes:
 etc/defaults/rc.conf     |  4 +++-
 etc/rc.d/Makefile        |  3 ++-
 etc/rc.d/SERVERS         |  4 ++--
 etc/rc.d/mountcritlocal  |  5 -----
 etc/rc.d/mounttmpfs      | 37 +++++++++++++++++++++++++++++++++++++
 share/man/man5/rc.conf.5 | 19 ++++++++++++++++++-
 6 files changed, 62 insertions(+), 10 deletions(-)
 create mode 100644 etc/rc.d/mounttmpfs

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/80d125ead8e978ee0bbb457e6ca8c13577a15660


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