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Commit Graph

78 Commits

Author SHA1 Message Date
Tom Gundersen
ef44ed4e2d man: fix typo in tmpfiles.d
Reported-by: Jason St. John <jstjohn@purdue.edu>
2012-10-23 22:15:05 +02:00
Tom Gundersen
a2558205f7 tmpfiles: allow Age to be set to 0
Mostly useful for testing purposes. Setting Age to 1s works just as
well, but it is surprising that using 0s (or just 0) does not work.

Also clarify this in the documentation.
2012-10-23 21:53:20 +02:00
Dave Reisner
54693d9bfa tmpfiles: use write(2) for the 'w' action
This resolves problems with filesystems which do not implement the
aio_write file operation. In this case, the kernel will fall back using
a loop writing technique for each pointer in a received iovec. The
result is strange errors in dmesg such as:

[   31.855871] elevator: type  not found
[   31.856262] elevator: switch to
[   31.856262]  failed

It does not make sense to implement a synchronous aio_write method for
sysfs as this isn't a real filesystem where a reasonable use case for
using writev exists, nor is there an expectation that tmpfiles will be
used to write more data than can be reasonably written in a single write
syscall.

In addition, some sysfs attrs are currently buggy and will NOT reject
the second write with the newline, causing the sysfs value to be zeroed
out. This of course should be fixed in the kernel regardless of any
wrongdoing in userspace, but this simple change makes us immune to such
a bug.

This change means that we do not write a trailing newline by default, as
the expected use case of 'w' is for sysfs and procfs. In exchange, honor
C-style backslash escapes so that if the newline is really needed, the
user can add it.
2012-09-16 17:18:04 +02:00
Dave Reisner
d4e9eb91ea tmpfiles: support globbing for w option
Break out the write logic into a separate function and simply use it as
a callback to glob_item.

This allows users to consolidate writes to sysfs with multiple similar
pathnames, e.g.

  w /sys/class/block/sd[a-z]/queue/read_ahead_kb - - - - 1024
2012-09-12 08:46:03 +02:00
Paul Menzel
1532449274 man/tmpfiles.d.xml: Add missing full stop 2012-07-09 15:57:58 +02:00
Lennart Poettering
75945badd2 man: add reference to systemd-delta to tmpfiles 2012-06-27 16:30:57 +02:00
Lennart Poettering
24f3a374b9 tmpfiles: exclude the first level directories in /run/user from automatic clean up
It's logind's job to maintain those user dirs, so avoid automatic clean
up for them. However, we do cover everything within them.
2012-06-20 09:05:50 +02:00
Kay Sievers
0e25e94ea7 man: replace tabs with spaces 2012-06-10 18:32:11 +02:00
Kay Sievers
6110885c2c man: systemd-tmpfiles - document proper config-file-stack order 2012-06-10 18:26:11 +02:00
Lennart Poettering
5430f7f2bc relicense to LGPLv2.1 (with exceptions)
We finally got the OK from all contributors with non-trivial commits to
relicense systemd from GPL2+ to LGPL2.1+.

Some udev bits continue to be GPL2+ for now, but we are looking into
relicensing them too, to allow free copy/paste of all code within
systemd.

The bits that used to be MIT continue to be MIT.

The big benefit of the relicensing is that closed source code may now
link against libsystemd-login.so and friends.
2012-04-12 00:24:39 +02:00
Lennart Poettering
fc1a2e06a2 conf: when looking for configurations look in /etc first, in /run second
After long consideration we came to the conclusion that user
configuration in /etc should always override the (generally computer
generated) configuration in /run. User configuration should always be
what matters over anything else. Hence rearrange the search orders
accordingly.

In general this should change very little as overriding like this is
seldomn done so far, and the order between /etc and /usr stays the same.
2012-03-14 14:25:05 +01:00
Lennart Poettering
669e49fe2c man: reword tmpfiles selinux bits 2012-03-12 21:51:39 +01:00
Lennart Poettering
31ed59c511 tmpfiles: support writing short strings to files, in order to support /sys manipulations at boot time, a la sysctl 2012-01-18 16:39:04 +01:00
Lennart Poettering
468d726bdd tmpfiles: add support for creating symlinks, char/block device nodes 2012-01-18 13:56:02 +01:00
Michal Schmidt
777b87e702 tmpfiles: add 'z', like 'Z' but not recursive 2011-12-16 18:27:35 +01:00
Michal Schmidt
062e01bbdb tmpfiles: apply chown, chmod for 'Z' entries too
If changing ownership or permissions is not desired, they can be
configured to '-' or omitted entirely.
2011-12-16 18:04:54 +01:00
Michal Schmidt
a37b560a63 man: mention that 'Z' ignores uid/gid/mode 2011-12-16 00:38:22 +01:00
Michal Schmidt
462d63db06 man: document 'Z' in tmpfiles 2011-12-16 00:31:21 +01:00
Lennart Poettering
ee17ee7c5c tmpfiles: allow creation of named pipes with tmpfiles 2011-07-12 03:56:56 +02:00
Kay Sievers
772f83719e tmpfiles.d: switch to stacked config dirs in /lib, /etc, /run 2011-04-25 21:38:21 +02:00
Lennart Poettering
bb29785e0d general: replace a few uses of /var/run by /run 2011-04-01 15:25:46 +02:00
Lennart Poettering
522d4a495a systemd: document systemd-tmpfiles 2011-02-13 15:08:15 +01:00
Lennart Poettering
b8bb3e8f34 tmpfiles: support globs 2011-02-12 09:31:25 +01:00
Miklos Vajna
5471472d44 man: remaining spelling fixes 2011-01-01 20:03:56 +01:00
Lennart Poettering
a7c64469b6 man: document /etc/modules-load.d/ 2010-11-21 20:41:00 +01:00
Lennart Poettering
88aebb6265 man: reorder things to follow the same order everywhere 2010-11-19 16:14:52 +01:00
Lennart Poettering
aeee2322a6 man: minor tmpfiles(5) updates and reindenting 2010-11-10 23:01:20 +01:00
Brandon Philips
4149f86d81 man/tmpfiles.d.xml: add a manpage for tmpfiles.d
Initial commit of a tmpfiles.d manpage.

I ran it through xmllint but I don't know how to make it look pretty
like the rest of the xml files. :-P

Signed-off-by: Brandon Philips <bphilips@suse.de>
2010-11-05 00:20:28 +01:00