locks: Allow disabling mandatory locking at compile time

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Mandatory locking appears to be almost unused and buggy and there
appears no real interest in doing anything with it.  Since effectively
no one uses the code and since the code is buggy let's allow it to be
disabled at compile time.  I would just suggest removing the code but
undoubtedly that will break some piece of userspace code somewhere.

For the distributions that don't care about this piece of code
this gives a nice starting point to make mandatory locking go away.

Cc: Benjamin Coddington <bcodding@redhat.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Jeff Layton <jeff.layton@primarydata.com>
Cc: J. Bruce Fields <bfields@fieldses.org>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Jeff Layton <jeff.layton@primarydata.com>

...

This commit is contained in:

Jeff Layton 2015-11-16 09:49:34 -05:00

parent 8005c49d9a

commit 9e8925b67a

4 changed files with 62 additions and 34 deletions

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10

fs/Kconfig

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2

fs/locks.c

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10

fs/namespace.c

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74

include/linux/fs.h

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