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SubjectRe: [RFC][PATCH] sys_fallocate() system call
On Fri, Mar 16, 2007 at 08:01:01PM +0530, Amit K. Arora wrote:
> First of all, thanks for the overwhelming response!
>
> Based on the suggestions received, I have added a new parameter to the
> sys_fallocate() system call - an interger called "mode", just after the
> "fd". Now the system call looks like this:
>
> asmlinkage long sys_fallocate(int fd, int mode, loff_t offset, loff_t len)
>
> Currently we have two modes FA_ALLOCATE and FA_DEALLOCATE, for
> preallocation and deallocation of preallocated blocks respectively. More
> modes can be added, when required. And these modes can be renamed, since
> I am sure these are no way the best ones ! :)
>
> Attached below is the patch which implements this system call. It has
> been currently implemented and tested on i386, ppc64 and x86_64
> architectures. I am facing some problems while trying to implement this
> on s390, and thus the delay. While I try to get it right on s390(x), we
> thought of posting this patch, so that we can save some time. Parallely
> we will work on getting the patch work on s390, and probably it will
> come as a separate patch.

What's the problem you face on s390? If it's just the compat wrapper, you
may look at sys_sync_file_range_wrapper. Or I will send a patch if needed.
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