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Re: [PATCH 3/3] ovl: redirect on rename-dir

From Miklos Szeredi <miklos@szeredi.hu>
Newsgroups linux.kernel
Subject Re: [PATCH 3/3] ovl: redirect on rename-dir
Date 2016-11-10 23:40 +0100
Message-ID <sC6aJ-494-15@gated-at.bofh.it> (permalink)
References (3 earlier) <swups-2Sj-39@gated-at.bofh.it> <sAB90-11R-5@gated-at.bofh.it> <sAPYl-2ha-11@gated-at.bofh.it> <sAQro-2rT-5@gated-at.bofh.it> <sAStb-3NV-17@gated-at.bofh.it>
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New version is at:

git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git #redirect

News:
- it actually should work in all cases
- when rename is not cross directory, just store the new name instead
of a full path, as suggested by Amir
- when redirect path is too long fall back to EXDEV (the max length
should probably be a module param)

About turning the feature on or off.  Yes, maybe the empty checking is
too complicated.  Going one simpler:

 - default to old behavior, turn on with mount option
 - add module option and kernel compile option to turn on the feature by default

I guess distros wil simply enable this by default, since back
compatibility is basically a non-issue.

Thanks,
Miklos

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Thread

Re: [PATCH 3/3] ovl: redirect on rename-dir Konstantin Khlebnikov <koct9i@gmail.com> - 2016-11-06 20:20 +0100
  Re: [PATCH 3/3] ovl: redirect on rename-dir Miklos Szeredi <miklos@szeredi.hu> - 2016-11-07 09:10 +0100
    Re: [PATCH 3/3] ovl: redirect on rename-dir Konstantin Khlebnikov <koct9i@gmail.com> - 2016-11-07 11:00 +0100
      Re: [PATCH 3/3] ovl: redirect on rename-dir Miklos Szeredi <miklos@szeredi.hu> - 2016-11-07 11:10 +0100
        Re: [PATCH 3/3] ovl: redirect on rename-dir Konstantin Khlebnikov <koct9i@gmail.com> - 2016-11-07 11:10 +0100
          Re: [PATCH 3/3] ovl: redirect on rename-dir Amir Goldstein <amir73il@gmail.com> - 2016-11-07 18:50 +0100
            Re: [PATCH 3/3] ovl: redirect on rename-dir Amir Goldstein <amir73il@gmail.com> - 2016-11-11 00:00 +0100
              Re: [PATCH 3/3] ovl: redirect on rename-dir Konstantin Khlebnikov <koct9i@gmail.com> - 2016-11-11 10:50 +0100
                Re: [PATCH 3/3] ovl: redirect on rename-dir Miklos Szeredi <miklos@szeredi.hu> - 2016-11-11 11:10 +0100
                Re: [PATCH 3/3] ovl: redirect on rename-dir Amir Goldstein <amir73il@gmail.com> - 2016-11-11 13:50 +0100
  Re: [PATCH 3/3] ovl: redirect on rename-dir Raphael Hertzog <hertzog@debian.org> - 2016-11-07 12:10 +0100
    Re: [PATCH 3/3] ovl: redirect on rename-dir Konstantin Khlebnikov <koct9i@gmail.com> - 2016-11-07 12:40 +0100
      Re: [PATCH 3/3] ovl: redirect on rename-dir Raphael Hertzog <hertzog@debian.org> - 2016-11-07 14:50 +0100
        Re: [PATCH 3/3] ovl: redirect on rename-dir Miklos Szeredi <miklos@szeredi.hu> - 2016-11-10 23:40 +0100
          Re: [PATCH 3/3] ovl: redirect on rename-dir Konstantin Khlebnikov <koct9i@gmail.com> - 2016-11-11 10:50 +0100

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