linux-ext4 - Re: [RFC][PATCH] sys_fallocate() system call

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Message-ID: <20070319093006.GB12092@amitarora.in.ibm.com>
Date:	Mon, 19 Mar 2007 15:00:06 +0530
From:	"Amit K. Arora" <aarora@...ux.vnet.ibm.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-ext4@...r.kernel.org, xfs@....sgi.com,
	Andrew Morton <akpm@...ux-foundation.org>, suparna@...ibm.com,
	cmm@...ibm.com, alex@...sterfs.com, suzuki@...ibm.com
Subject: Re: [RFC][PATCH] sys_fallocate() system call

On Sat, Mar 17, 2007 at 04:33:50PM +1100, Stephen Rothwell wrote:
> On Fri, 16 Mar 2007 20:01:01 +0530 "Amit K. Arora" <aarora@...ux.vnet.ibm.com> wrote:
> >
> 
> > +asmlinkage long sys_fallocate(int fd, int mode, loff_t offset, loff_t len);
> >
> > --- linux-2.6.20.1.orig/include/asm-powerpc/systbl.h
> > +++ linux-2.6.20.1/include/asm-powerpc/systbl.h
> > @@ -305,3 +305,4 @@ SYSCALL_SPU(faccessat)
> >  COMPAT_SYS_SPU(get_robust_list)
> >  COMPAT_SYS_SPU(set_robust_list)
> >  COMPAT_SYS(move_pages)
> > +SYSCALL(fallocate)
> 
> It is going to need to be a COMPAT_SYS call in powerpc because 32 bit
> powerpc will pass the two loff_t's in pairs of registers while
> 64bit passes them in one register each.

Ok. Will make that change, unless it is decided to pass each loff_t
argument as two "u32"s. Thanks!

--
Regards,
Amit Arora
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