Messages in this thread | | | Date | Fri, 14 Dec 2007 19:32:46 +0300 | From | Michael Tokarev <> | Subject | Re: [PATCH 2/2] Unionfs: clarify usage.txt mount options |
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Erez Zadok wrote:
> --- a/Documentation/filesystems/unionfs/usage.txt > +++ b/Documentation/filesystems/unionfs/usage.txt [] > +OPTIONS can be any legal combination one of: ^^^^^ A small typo.
> + > +- ro # mount file system read-only > +- rw # mount file system read-write > +- remount # remount the file system (see Branch Management below) > +- incgen # increment generation no. (see Cache Consistency below) > + > +BRANCH-OPTIONS can be either (1) a list of branches given to the "dirs=" > +option, or (2) a list of individual branch manipulation commands, described > +in the "Branch Management" section below.
Should this (2) choice mention remount operation somehow? It seems the (2) case is about remount only.
> +The "dirs=" option takes a colon-delimited list of directories to compose > +the union, with an optional branch mode for each of those directories. > +Directories that come earlier (specified first, on the left) in the list > +have a higher precedence than those which come later. Additionally,
By the way, what is "precedence" here? I mean, will unionfs always write to the first rw branch, or is it possible to write to some deeper branch too?
And finally, can a first (and all of them as well) branch be ro?
Thanks.
/mjt
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