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    SubjectRe: [RFC][PATCH] sys_fallocate() system call
    On Fri, Mar 16, 2007 at 04:21:03PM +0100, Heiko Carstens wrote:
    > 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.

    Hi Heiko,

    Yes, the problem was adding compat wrapper for this. I will appreciate
    your help in writing it. Only thing is that we might have to wait till
    the order of the arguments is decided upon. Thanks!

    --
    Regards,
    Amit Arora
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