Re: [PATCH -tip] remove the BKL: Replace BKL in mount/umountsyscalls with a mutex

[Al Viro]

On Thu, Apr 16, 2009 at 04:27:58PM +0200, Alessio Igor Bogani wrote:
> Replace ths BKL in sys_mount()/sys_umount() syscalls with a regular mutex.

NAK.  Push BKL into instances if you care and deal with those one by one.
New and unwarranted system-wide exclusion around hell knows what code
(we *are* talking about the stuff that is very likely to do at least some
IO, dependent on fs internals, phase of moon and amount of farting gnats
in the vicinity) is right out.
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