Hi... sorry if I got the attribution wrong... the commit I studied
was:
commit 76d8aeabfeb1c42641a81c44280177b9a08670d8
Author: David Howells
Date: Thu Jun 23 22:00:49 2005 -0700
It was huge ...
-Mike
On Mon, Feb 27, 2017 at 3:44 AM, David Howells wrote:
> Mike Marshall wrote:
>
>> Using
Mike Marshall wrote:
> Using the git log, I searched back to where it seems to me call_rcu was
> added, a giant patch from 2005 by David Howells which includes tons of
> source and a large amount of documentation.
I'm pretty sure Paul McKenney added call_rcu(), not me.
David
On Sun, Feb 26, 2017 at 4:34 PM, Mike Marshall wrote:
> Since Orangefs uses ref-walk, not rcu-walk, this patch with call_rcu
> has seemed weird to me.
Even if orangefs never really allows RCU walking, the VFS layer will
look up dentries - and look at their inodes - from RCU. It will then
call int
Since Orangefs uses ref-walk, not rcu-walk, this patch with call_rcu
has seemed weird to me.
Using the git log, I searched back to where it seems to me call_rcu was
added, a giant patch from 2005 by David Howells which includes tons of
source and a large amount of documentation.
It seems that the
After looking through the code and seeing how some other filesystems
use call_rcu, it seems that call_rcu has to do with consistency and
waiting for stuff to complete before returning an object to the slab cache,
whereas we were just calling kmem_cache_free without worrying about that
kind of stuff
Thanks Al... I was going to try and evaluate that patch next
week, now all I have to do is test it ...
-Mike
On Fri, Feb 24, 2017 at 3:52 PM, Al Viro wrote:
> That, AFAICS, fixes a real bug. Applied, and it needs Cc:stable as well.
>
>
>> Signed-off-by: Peter Zijlstra (Intel)
>> ---
>> fs/or
That, AFAICS, fixes a real bug. Applied, and it needs Cc:stable as well.
> Signed-off-by: Peter Zijlstra (Intel)
> ---
> fs/orangefs/super.c |9 -
> 1 file changed, 8 insertions(+), 1 deletion(-)
>
> --- a/fs/orangefs/super.c
> +++ b/fs/orangefs/super.c
> @@ -115,6 +115,13 @@ stat
Signed-off-by: Peter Zijlstra (Intel)
---
fs/orangefs/super.c |9 -
1 file changed, 8 insertions(+), 1 deletion(-)
--- a/fs/orangefs/super.c
+++ b/fs/orangefs/super.c
@@ -115,6 +115,13 @@ static struct inode *orangefs_alloc_inod
return &orangefs_inode->vfs_inode;
}
+static
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