Gentoo Archives: gentoo-user

From: Neil Bothwick <neil@××××××××××.uk>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] local shared directory
Date: Sat, 14 May 2016 22:44:04
Message-Id: 20160514234343.1d4742ce@digimed.co.uk
In Reply to: Re: [gentoo-user] local shared directory by hw
1 On Sat, 14 May 2016 18:23:10 +0200, hw wrote:
2
3 > >> Using 'chmod -R g+w $#' isn't very appealing, and how safely does it
4 > >> handle file names?
5 > >
6 > > What is unappealing about it? I've never had any problem with file
7 > > names, but I don't use odd ones. You could quote the $@/$# just in
8 > > case, although if there's no shell expansion taking place it
9 > > shouldn't be necessary.
10 >
11 > Using 'chmod -R' is unappealing because changing access rights for
12 > so-many-thousand or so directory-entries once per minute might
13
14 Why would you be running it every minute?
15
16 > wear out the SSDs sooner than otherwise. It might make things
17 > worse that the file system is that of a KVM VM residing in a sparse
18 > file on these SSDs.
19 >
20 > And it may lead to confusion of the users when they suddenly can
21 > write to files they couldn't write to a few seconds before.
22
23 Chmod is run when files are created or modified, and only on those files.
24 There is no timing involved, except for the fraction of a second it takes
25 for incrond to receive and act upon the inotify message.
26
27
28 --
29 Neil Bothwick
30
31 Politics: Poli (many) - tics (blood sucking parasites)