Re: [RFC PATCH 0/5] locks: implement "filp-private" (aka UNPOSIX) locks

2013-10-15 Thread Volker Lendecke
On Mon, Oct 14, 2013 at 08:23:03AM -0700, Frank Filz wrote: > > http://www.samba.org/samba/news/articles/low_point/tale_two_stds_os2 > > > > .html > > > > > > > > See the section entitled "First Implementation Past the Post". > > > > > > Interesting that Jeremy actually suggested the implementation

RE: [RFC PATCH 0/5] locks: implement "filp-private" (aka UNPOSIX) locks

2013-10-14 Thread Frank Filz
> http://www.samba.org/samba/news/articles/low_point/tale_two_stds_os2 > > > .html > > > > > > See the section entitled "First Implementation Past the Post". > > > > Interesting that Jeremy actually suggested the implementation should > > have had an arbitrary lock owner as part of the flock struct

Re: [RFC PATCH 0/5] locks: implement "filp-private" (aka UNPOSIX) locks

2013-10-14 Thread Volker Lendecke
On Sat, Oct 12, 2013 at 11:12:03AM -0700, Frank Filz wrote: > > This blog post of Jeremy's explains some of the history: > > > > > > http://www.samba.org/samba/news/articles/low_point/tale_two_stds_os2 > > .html > > > > See the section entitled "First Implementation Past the Post". > > Interest

Re: [RFC PATCH 0/5] locks: implement "filp-private" (aka UNPOSIX) locks

2013-10-12 Thread Scott Lovenberg
On Fri, Oct 11, 2013 at 8:42 PM, Jeff Layton wrote: > On Fri, 11 Oct 2013 20:18:58 -0400 > Scott Lovenberg wrote: > >> >> On Oct 11, 2013, at 19:49, Jeremy Allison wrote: >> >> > On Fri, 11 Oct 2013 15:36:43 -0600 Andreas Dilger >> > wrote: >> >>> >> >>> At this point, my main questions are: >

RE: [RFC PATCH 0/5] locks: implement "filp-private" (aka UNPOSIX) locks

2013-10-12 Thread Frank Filz
> This blog post of Jeremy's explains some of the history: > > > http://www.samba.org/samba/news/articles/low_point/tale_two_stds_os2 > .html > > See the section entitled "First Implementation Past the Post". Interesting that Jeremy actually suggested the implementation should have had an arbit

RE: [Nfs-ganesha-devel] [RFC PATCH 0/5] locks: implement "filp-private" (aka UNPOSIX) locks

2013-10-12 Thread Frank Filz
> > > At LSF this year, there was a discussion about the "wishlist" for > > > userland file servers. One of the things brought up was the goofy > > > and problematic behavior of POSIX locks when a file is closed. Boaz > > > started a thread on it here: > > > > > > http://permalink.gmane.org/gma

Re: [RFC PATCH 0/5] locks: implement "filp-private" (aka UNPOSIX) locks

2013-10-12 Thread Jeff Layton
On Sat, 12 Oct 2013 11:20:33 +0200 "Stefan (metze) Metzmacher" wrote: > Hi Jeff, > > > At LSF this year, there was a discussion about the "wishlist" for > > userland file servers. One of the things brought up was the goofy and > > problematic behavior of POSIX locks when a file is closed. Boaz s

Re: [RFC PATCH 0/5] locks: implement "filp-private" (aka UNPOSIX) locks

2013-10-12 Thread Volker Lendecke
On Fri, Oct 11, 2013 at 11:53:30AM -0700, Frank Filz wrote: > > I guess my main concern is that while I'm interested in adding interfaces > that > > make it _easier_ to implement fileservers, I'm not terribly interested in > > adding interfaces that are _specific_ to implementing them. > > > > Wha

Re: [RFC PATCH 0/5] locks: implement "filp-private" (aka UNPOSIX) locks

2013-10-12 Thread Stefan (metze) Metzmacher
Hi Jeff, > At LSF this year, there was a discussion about the "wishlist" for > userland file servers. One of the things brought up was the goofy and > problematic behavior of POSIX locks when a file is closed. Boaz started > a thread on it here: > > http://permalink.gmane.org/gmane.linux.file

Re: [RFC PATCH 0/5] locks: implement "filp-private" (aka UNPOSIX) locks

2013-10-11 Thread Jeff Layton
On Fri, 11 Oct 2013 20:18:58 -0400 Scott Lovenberg wrote: > > On Oct 11, 2013, at 19:49, Jeremy Allison wrote: > > > On Fri, 11 Oct 2013 15:36:43 -0600 Andreas Dilger wrote: > >>> > >>> At this point, my main questions are: > >>> > >>> 1) does this look useful, particularly for fileserver i

Re: [RFC PATCH 0/5] locks: implement "filp-private" (aka UNPOSIX) locks

2013-10-11 Thread Scott Lovenberg
On Oct 11, 2013, at 19:49, Jeremy Allison wrote: > On Fri, 11 Oct 2013 15:36:43 -0600 Andreas Dilger wrote: >>> >>> At this point, my main questions are: >>> >>> 1) does this look useful, particularly for fileserver implementors? > > Yes from the Samba perspective. We'll have to keep the old

Re: [RFC PATCH 0/5] locks: implement "filp-private" (aka UNPOSIX) locks

2013-10-11 Thread Jeremy Allison
On Fri, 11 Oct 2013 15:36:43 -0600 Andreas Dilger wrote: > > > > At this point, my main questions are: > > > > 1) does this look useful, particularly for fileserver implementors? Yes from the Samba perspective. We'll have to keep the old code around for compatibility with non-Linux OS'es, but t

Re: [RFC PATCH 0/5] locks: implement "filp-private" (aka UNPOSIX) locks

2013-10-11 Thread Jeff Layton
On Fri, 11 Oct 2013 15:36:43 -0600 Andreas Dilger wrote: > On Fri, Oct 11, 2013 at 08:25:17AM -0400, Jeff Layton wrote: > > At LSF this year, there was a discussion about the "wishlist" for > > userland file servers. One of the things brought up was the goofy and > > problematic behavior of POSIX

Re: [RFC PATCH 0/5] locks: implement "filp-private" (aka UNPOSIX) locks

2013-10-11 Thread Andreas Dilger
On Fri, Oct 11, 2013 at 08:25:17AM -0400, Jeff Layton wrote: > At LSF this year, there was a discussion about the "wishlist" for > userland file servers. One of the things brought up was the goofy and > problematic behavior of POSIX locks when a file is closed. Boaz started > a thread on it here: >

Re: [RFC PATCH 0/5] locks: implement "filp-private" (aka UNPOSIX) locks

2013-10-11 Thread J. Bruce Fields
On Fri, Oct 11, 2013 at 08:25:17AM -0400, Jeff Layton wrote: > At LSF this year, there was a discussion about the "wishlist" for > userland file servers. One of the things brought up was the goofy and > problematic behavior of POSIX locks when a file is closed. Boaz started > a thread on it here: >

RE: [RFC PATCH 0/5] locks: implement "filp-private" (aka UNPOSIX) locks

2013-10-11 Thread Frank Filz
> > > > > > At LSF this year, there was a discussion about the "wishlist" > > > > > > for userland file servers. One of the things brought up was > > > > > > the goofy and problematic behavior of POSIX locks when a file is > closed. > > > > > > Boaz started a thread on it here: > > > > > > > > > >

Re: [RFC PATCH 0/5] locks: implement "filp-private" (aka UNPOSIX) locks

2013-10-11 Thread Jeff Layton
On Fri, 11 Oct 2013 10:07:30 -0700 "Frank Filz" wrote: > > > > > At LSF this year, there was a discussion about the "wishlist" for > > > > > userland file servers. One of the things brought up was the goofy > > > > > and problematic behavior of POSIX locks when a file is closed. > > > > > Boaz st

RE: [RFC PATCH 0/5] locks: implement "filp-private" (aka UNPOSIX) locks

2013-10-11 Thread Frank Filz
> > > > At LSF this year, there was a discussion about the "wishlist" for > > > > userland file servers. One of the things brought up was the goofy > > > > and problematic behavior of POSIX locks when a file is closed. > > > > Boaz started a thread on it here: > > > > > > > > http://permalink.g

Re: [RFC PATCH 0/5] locks: implement "filp-private" (aka UNPOSIX) locks

2013-10-11 Thread Jeff Layton
On Fri, 11 Oct 2013 08:20:59 -0700 "Frank Filz" wrote: > > > At LSF this year, there was a discussion about the "wishlist" for > > > userland file servers. One of the things brought up was the goofy and > > > problematic behavior of POSIX locks when a file is closed. Boaz > > > started a thread o

RE: [RFC PATCH 0/5] locks: implement "filp-private" (aka UNPOSIX) locks

2013-10-11 Thread Frank Filz
> > At LSF this year, there was a discussion about the "wishlist" for > > userland file servers. One of the things brought up was the goofy and > > problematic behavior of POSIX locks when a file is closed. Boaz > > started a thread on it here: > > > > http://permalink.gmane.org/gmane.linux.fil

Re: [RFC PATCH 0/5] locks: implement "filp-private" (aka UNPOSIX) locks

2013-10-11 Thread Jeff Layton
On Fri, 11 Oct 2013 08:25:17 -0400 Jeff Layton wrote: > At LSF this year, there was a discussion about the "wishlist" for > userland file servers. One of the things brought up was the goofy and > problematic behavior of POSIX locks when a file is closed. Boaz started > a thread on it here: > >

[RFC PATCH 0/5] locks: implement "filp-private" (aka UNPOSIX) locks

2013-10-11 Thread Jeff Layton
At LSF this year, there was a discussion about the "wishlist" for userland file servers. One of the things brought up was the goofy and problematic behavior of POSIX locks when a file is closed. Boaz started a thread on it here: http://permalink.gmane.org/gmane.linux.file-systems/73364 Userla