Date: Tue, 31 Oct 2000 08:05:18 -0800 (PST) From: Matt Dillon <dillon@earth.backplane.com> To: Terry Lambert <tlambert@primenet.com> Cc: dufault@hda.com (Peter Dufault), tlambert@primenet.com (Terry Lambert), ryan@sasknow.com (Ryan Thompson), freebsd-hackers@FreeBSD.ORG Subject: Re: Filesystem holes Message-ID: <200010311605.e9VG5IL18693@earth.backplane.com> References: <200010311427.HAA27852@usr06.primenet.com>
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:to hold a write lock on the range you didn't want rewritten; so
:long as it honors the advisory locks, there'd be no chance of it
:screwing up, unless you got bit by the stupid POSIX lock close
:semantics. Stupid POSIX; that's the other one I'd put in: the
:ability to:
:
: int i = 1;
:
: fcntl( fd, F_NONPOSIX, &i);
:
:It would help out the NFS locking daemon to no end...
:
: Terry Lambert
: terry@lambert.org
We could implement this trivially, and I'm pretty sure we could
implement some sort of free-space semantics trivially too, at least
for UFS, using a struct flock to pass the parameters to a fcntl.
-Matt
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