[lkml]   [2001]   [Jan]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [RFC] generic IO write clustering

On Sat, 20 Jan 2001, Christoph Hellwig wrote:

> On Sat, Jan 20, 2001 at 01:24:40PM -0200, Marcelo Tosatti wrote:
> > In case the metadata was not already cached before ->cluster() (in this
> > case there is no disk IO at all), ->cluster() will cache it avoiding
> > further disk accesses by writepage (or writepages()).
> True. But you have to go through ext2_get_branch (under the big kernel
> lock) - if we can do only one logical->physical block translations,
> why doing it multiple times?

You dont. If the metadata is cached and uptodate there is no need to call

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:14    [W:0.093 / U:1.196 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site