Messages in this thread | | | Date | Thu, 13 Jul 2000 15:00:12 -0700 (PDT) | From | Chris Mason <> | Subject | Re: [Announce] BKL shifting into drivers and filesystems - beware |
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On Fri, 14 Jul 2000, Hans Reiser wrote:
> Alexander Viro wrote: > > > * Probably inode methods for directories are going to be called without > > BKL. Again, I'll do the work for in-kernel filesystems, but 3rd-party ones > > will have to be fixed by their maintainers. > > I encourage you to do this one, it really affects performance significantly for > squid. Reiserfs would put everything in one directory for squid and gain 10-24% > if not for this lock. Whether it should be done pre or post 2.4 I leave to > others..... except to say that we will be happy to scramble a bit to adapt to > your fix of this. >
No, this is the big kernel lock, and is not the directory semaphore that serializes creates/deletes to a single dir.
-chris
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