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DragonFly kernel List (threaded) for 2006-08
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Re: Working on vnode sequencing and locking - HEAD will destabilize for a little bit


From: Csaba Henk <csaba.henk@xxxxxxx>
Date: 10 Aug 2006 11:27:23 GMT

On 2006-08-09, Matthew Dillon <dillon@xxxxxxxxxxxxxxxxxxxx> wrote:
>     And, poof, no more indefinite blocking states in the kernel for NFS or
>     for the upcoming userland VFS or clustering.
>
>     There will be fine-grained range locks to maintain UNIX atomicy
>     requirements, but since they aren't going to be hard locks they won't
>     prevent basic things like ^C from working properly.

Btw, what does "^C working properly" mean? AFAIK SUS says/implies that
filesystem related syscalls shouldn't be interruptible, with the
exception of read and write.

Csaba



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