On Wed, 26 Jul 2000, Alexander Viro wrote:
On Wed, 26 Jul 2000, Daniel Phillips wrote:
Stephen asked me some sharp questions about how this would work,
and after I answered them to his satisfaction he asked me if I
would have time to implement this feature. I said yes, and went
Alexander Viro wrote:
On Wed, 26 Jul 2000, Stephen C. Tweedie wrote:
On Wed, Jul 26, 2000 at 03:19:46PM -0400, Alexander Viro wrote:
Erm? Consider that: huge lseek() + write past the end of file. Woops - got
to unmerge the tail (it's an internal block now) and we've got no
knowledge
After spending *far* too long getting lxr installed and working, I finally have
my favorite source browser working in the same place I email from :-) Meaning
that the next time I get hit with a tough question I'll be able to respond
having to go home and browsing the source first.
BTW, lxr is a
Alexander Viro wrote:
On Wed, 26 Jul 2000, Stephen C. Tweedie wrote:
For tail writes, I'd imagine we would just end up using the page cache
as a virtual cache as NFS uses it, and doing plain copy into the
buffer cache pages.
Ouch. I _really_ don't like it - we end up with special
Daniel Phillips wrote:
So now it's time to start asking questions.
I've been partway through lxr'ing the 2.4.0 VFS now, and all I can say is wow!
This really is a big improvement over 2.2.
Please treat all of the rest of this post as speculation: I'm not sure how
accurate any
Chris Mason wrote:
On 7/30/00, 7:14:16 AM, Daniel Phillips
[EMAIL PROTECTED] wrote regarding Re: Questions about
the buffer+page cache in 2.4.0:
After digging a little deeper I can see that using the read actor
won't work because the read actor doesn't take the inode, or
anything
"Bill Rugolsky Jr." wrote:
In an effort to document some of the changes that have gone into 2.4
(particularly the VFS/MM changes), I'd like to mirror the entire
linux-fsdevel, linux-mm, and linux-kernel archives going back at least
to the start of 2.3.x.
Speaking of documenting, I saw
It should have read:
additions to read full page:
(within the per-buffer read)
is the file tailmerged?
if so, does this part map the tail block?
if so, get the tail block and copy the tail to the page
additions to write full page:
(within the per-buffer write)
is the
On Tue, 01 Aug 2000, Andreas Dilger wrote:
You never mention what happens when a file doesn't have a tail yet,
but then gets one...
Every file has a tail, unless it is exactly some number of blocks long. The
tail is the part at the end that doesn't fill a block completely. In my
On Tue, 01 Aug 2000, Chris Mason wrote:
On 8/1/00, 2:45:11 PM, Daniel Phillips [EMAIL PROTECTED]
writing past tail?
if so, unmerge tail block
generic file write
additions to write full page:
(within the per-buffer write)
is the file tailmerged?
if so, does
guess I know
what the next two installments in the Documenting series will be about.
D: Daniel Phillips
A: Alexander Viro
S: Stephen Tweedie
D Stephen asked me some sharp questions about how this would work,
D and after I answered them to his satisfaction he asked me if I
D would have time to imple
back to the list... It's called 'trolling for
more feedback'. I'm also trying to be a little bit didactic about the design
process for the benefit of list lurkers. :-)
On 8/9/00, 4:55:13 PM, Daniel Phillips [EMAIL PROTECTED]
In Ext2 when you unmerge you also have to drill down
12 matches
Mail list logo
