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Re: [PATCH RFC 00/13] Lockd: grace period containerization [message #46388 is a reply to message #46244]

Wed, 16 May 2012 20:06

bfields
Messages: 107
Registered: September 2007

Senior Member

On Sat, May 05, 2012 at 09:21:30PM +0400, Stanislav Kinsbursky wrote:
> This patch set is marked with RFC, because I'm still not quite sure, that this
> implementation will satisfy other interested people.
> So, would be appreciated for any comments.
>
> This patch set makes grace period and hosts reclaiming network namespace
> aware.
>
> Main ideas:
> 1) moving of
>
> unsigned long next_gc;
> unsigned long nrhosts;
>
> struct delayed_work grace_period_end;
> struct lock_manager lockd_manager;
> struct list_head grace_list;
>
> to per-net Lockd data.
>
> 2) moving of
>
> struct lock_manager nfsd4_manager;
>
> to per-net NFSd data.
>
> 3) shutdown + gc of NLM hosts done now network namespace aware.

That all sounds reasonable to me.

> 4) restart_grace() now works only for init_net.

Eventually we might just remove that. I doubt it's used anywhere.

--b.

>
> The following series implements...
>
> ---
>
> Stanislav Kinsbursky (13):
> LockD: mark host per network namespace on garbage collect
> LockD: make garbage collector network namespace aware.
> LockD: manage garbage collection timeout per networks namespace
> LockD: manage used host count per networks namespace
> Lockd: host complaining function introduced
> Lockd: add more debug to host shutdown functions
> LockD: manage grace period per network namespace
> LockD: make lockd manager allocated per network namespace
> NFSd: make nfsd4_manager allocated per network namespace context.
> SUNRPC: service request network namespace helper introduced
> LockD: manage grace list per network namespace
> LockD: pass actual network namespace to grace period management functions
> Lockd: move grace period management from lockd() to per-net functions
>
>
> fs/lockd/grace.c | 16 +++++--
> fs/lockd/host.c | 92 +++++++++++++++++++++++++++++--------------
> fs/lockd/netns.h | 7 +++
> fs/lockd/svc.c | 43 ++++++++++++--------
> fs/lockd/svc4proc.c | 13 +++---
> fs/lockd/svclock.c | 16 ++++---
> fs/lockd/svcproc.c | 15 ++++---
> fs/lockd/svcsubs.c | 19 ++++++---
> fs/nfs/callback_xdr.c | 4 +-
> fs/nfsd/export.c | 4 +-
> fs/nfsd/netns.h | 2 +
> fs/nfsd/nfs4idmap.c | 4 +-
> fs/nfsd/nfs4proc.c | 18 +++++---
> fs/nfsd/nfs4state.c | 60 ++++++++++++++++------------
> fs/nfsd/state.h | 3 +
> include/linux/fs.h | 5 +-
> include/linux/lockd/lockd.h | 6 +--
> include/linux/sunrpc/svc.h | 2 +
> 18 files changed, 204 insertions(+), 125 deletions(-)
>

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[Message index]

		[PATCH RFC 00/13] Lockd: grace period containerization By: Stanislav Kinsbursky on Sat, 05 May 2012 17:21
		[PATCH RFC 01/13] LockD: mark host per network namespace on garbage collect By: Stanislav Kinsbursky on Sat, 05 May 2012 17:21
		[PATCH RFC 03/13] LockD: manage garbage collection timeout per networks namespace By: Stanislav Kinsbursky on Sat, 05 May 2012 17:21
		[PATCH RFC 02/13] LockD: make garbage collector network namespace aware. By: Stanislav Kinsbursky on Sat, 05 May 2012 17:21
		[PATCH RFC 06/13] Lockd: add more debug to host shutdown functions By: Stanislav Kinsbursky on Sat, 05 May 2012 17:22
		[PATCH RFC 08/13] LockD: make lockd manager allocated per network namespace By: Stanislav Kinsbursky on Sat, 05 May 2012 17:22
		[PATCH RFC 05/13] Lockd: host complaining function introduced By: Stanislav Kinsbursky on Sat, 05 May 2012 17:22
		[PATCH RFC 07/13] LockD: manage grace period per network namespace By: Stanislav Kinsbursky on Sat, 05 May 2012 17:22
		[PATCH RFC 09/13] NFSd: make nfsd4_manager allocated per network namespace context. By: Stanislav Kinsbursky on Sat, 05 May 2012 17:22
		[PATCH RFC 04/13] LockD: manage used host count per networks namespace By: Stanislav Kinsbursky on Sat, 05 May 2012 17:22
		[PATCH RFC 10/13] SUNRPC: service request network namespace helper introduced By: Stanislav Kinsbursky on Sat, 05 May 2012 17:22
		[PATCH RFC 12/13] LockD: pass actual network namespace to grace period management functions By: Stanislav Kinsbursky on Sat, 05 May 2012 17:22
		[PATCH RFC 13/13] Lockd: move grace period management from lockd() to per-net functions By: Stanislav Kinsbursky on Sat, 05 May 2012 17:23
		[PATCH RFC 11/13] LockD: manage grace list per network namespace By: Stanislav Kinsbursky on Sat, 05 May 2012 17:22
		[RFC PATCH 14/13] NFSd: make grace end flag per network namespace By: Stanislav Kinsbursky on Mon, 14 May 2012 13:19
		[RFC PATCH 15/13] NFSd: make boot_time variable per network namespace By: Stanislav Kinsbursky on Mon, 14 May 2012 14:00
		Re: [PATCH RFC 00/13] Lockd: grace period containerization By: bfields on Wed, 16 May 2012 20:06
		Re: [PATCH RFC 00/13] Lockd: grace period containerization By: bfields on Wed, 16 May 2012 20:54

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