Re: [patch 2/5] fs: introduce new aops and infrastructure

From: Joel Becker
Date: Thu Mar 15 2007 - 02:24:12 EST


On Thu, Mar 15, 2007 at 05:36:42AM +0100, Nick Piggin wrote:
> On Wed, Mar 14, 2007 at 09:13:29PM -0700, Mark Fasheh wrote:
> > Are we going to get rid of the file and intr arguments btw? I'm not sure
> > intr is useful, and mapping is probably enough to get whatever we inside
> > ->write_begin / ->write_end.
>
> Yeah, I was going to, but I had this version ready to go so decided
> to leave them in at the last minute. We can definitely take them out
> if people agree.

You're really going to need the file argument around. Some
folks care about file->private_data, etc. A good example is
nfs_updatepage() from nfs_commit_write(). There's a context on the
filp. Mapping can get back to the inode via ->host, but not to the
struct file.

Joel

--

Life's Little Instruction Book #157

"Take time to smell the roses."

Joel Becker
Principal Software Developer
Oracle
E-mail: joel.becker@xxxxxxxxxx
Phone: (650) 506-8127
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