[OpenAFS] AFS Locking

[Chaskiel M Grundman]

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I suggest switching to fcntl() style locking, which will work if l_whence=20
is SEEK_SET, and l_start and l_len are both 0.

I'm actually surprised that flock locking works on 2.4. My reading of=20
2.4.19 and 2.4.32 suggests that flock() only works locally on 2.4 (i.e., it =

does not allow a network filesystem to send lock requests to the server) It =

is possible your vendor kernel or libc converts flock locks to fcntl locks.

Linux 2.6 does allow network filesystems to intercept flock requests, but=20
afs does not yet do this.
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