Re: [PATCH 1/5] fallocate() implementation in i86, x86_64 and powerpc

[Paul Mackerras <paulus@xxxxxxxxx>]

Andrew Morton writes:

> On Thu, 26 Apr 2007 23:33:32 +0530 "Amit K. Arora" 
> <aarora@xxxxxxxxxxxxxxxxxx> wrote:
> 
> > This patch implements the fallocate() system call and adds support for
> > i386, x86_64 and powerpc.
> > 
> > ...
> >
> > +asmlinkage long sys_fallocate(int fd, int mode, loff_t offset, loff_t len)
> 
> Please add a comment over this function which specifies its behaviour. 
> Really it should be enough material from which a full manpage can be
> written.

This looks like it will have the same problem on s390 as
sys_sync_file_range.  Maybe the prototype should be:

asmlinkage long sys_fallocate(loff_t offset, loff_t len, int fd, int mode)

Paul.