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From: "J. Bruce Fields" <bfields@fieldses.org>
To: Jeff Layton <jlayton@primarydata.com>
Cc: linux-nfs@vger.kernel.org, hch@infradead.org
Subject: Re: [PATCH v3 21/38] nfsd: Add reference counting to state owners
Date: Fri, 1 Aug 2014 12:48:43 -0400	[thread overview]
Message-ID: <20140801164843.GB32749@fieldses.org> (raw)
In-Reply-To: <1406684083-19736-22-git-send-email-jlayton@primarydata.com>

On Tue, Jul 29, 2014 at 09:34:26PM -0400, Jeff Layton wrote:
>  struct nfs4_stateowner {
> -	struct list_head        so_strhash;   /* hash by op_name */
> -	struct list_head        so_stateids;
> -	struct nfs4_client *    so_client;
> +	struct list_head			so_strhash;
> +	struct list_head			so_stateids;
> +	struct nfs4_client			*so_client;
> +	const struct nfs4_stateowner_operations	*so_ops;
>  	/* after increment in ENCODE_SEQID_OP_TAIL, represents the next
>  	 * sequence id expected from the client: */

Uh, that could use updating--applying below.

Anyway, the stateowner reference counting makes sense to me.

--b.

commit 84a46922ea90
Author: J. Bruce Fields <bfields@redhat.com>
Date:   Thu Jul 31 16:10:08 2014 -0400

    nfsd4: fix out of date comment
    
    Signed-off-by: J. Bruce Fields <bfields@redhat.com>

diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h
index 73a209dc352b..0b234500f104 100644
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -345,7 +345,7 @@ struct nfs4_stateowner {
 	struct list_head			so_stateids;
 	struct nfs4_client			*so_client;
 	const struct nfs4_stateowner_operations	*so_ops;
-	/* after increment in ENCODE_SEQID_OP_TAIL, represents the next
+	/* after increment in nfsd4_bump_seqid, represents the next
 	 * sequence id expected from the client: */
 	atomic_t				so_count;
 	u32					so_seqid;

  reply	other threads:[~2014-08-01 16:48 UTC|newest]

Thread overview: 64+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-30  1:34 [PATCH v3 00/38] nfsd: stateid and stateowner refcounting overhaul Jeff Layton
2014-07-30  1:34 ` [PATCH v3 01/38] nfsd: Add reference counting to the lock and open stateids Jeff Layton
2014-07-30  1:34 ` [PATCH v3 02/38] nfsd: Cleanup the freeing of stateids Jeff Layton
2014-07-30 20:57   ` Christoph Hellwig
2014-07-31 16:50     ` J. Bruce Fields
2014-07-30  1:34 ` [PATCH v3 03/38] nfsd: Add a struct nfs4_file field to struct nfs4_stid Jeff Layton
2014-07-30  1:34 ` [PATCH v3 04/38] nfsd: Replace nfs4_ol_stateid->st_file with the st_stid.sc_file Jeff Layton
2014-07-30 20:59   ` Christoph Hellwig
2014-07-31 16:52     ` J. Bruce Fields
2014-07-30  1:34 ` [PATCH v3 05/38] nfsd4: use cl_lock to synchronize all stateid idr calls Jeff Layton
2014-07-30 20:59   ` Christoph Hellwig
2014-07-30  1:34 ` [PATCH v3 06/38] nfsd: do filp_close in sc_free callback for lock stateids Jeff Layton
2014-07-30 21:08   ` Christoph Hellwig
2014-07-30  1:34 ` [PATCH v3 07/38] nfsd: Add locking to protect the state owner lists Jeff Layton
2014-07-30  1:34 ` [PATCH v3 08/38] nfsd: clean up races in lock stateid searching and creation Jeff Layton
2014-07-30  1:34 ` [PATCH v3 09/38] nfsd: ensure atomicity in nfsd4_free_stateid and nfsd4_validate_stateid Jeff Layton
2014-07-30  1:34 ` [PATCH v3 10/38] nfsd: Add reference counting to lock stateids Jeff Layton
2014-07-30  1:34 ` [PATCH v3 11/38] nfsd: nfsd4_locku() must reference the lock stateid Jeff Layton
2014-07-30  1:34 ` [PATCH v3 12/38] nfsd: Ensure that nfs4_open_delegation() references the delegation stateid Jeff Layton
2014-07-30  1:34 ` [PATCH v3 13/38] nfsd: nfsd4_process_open2() must reference " Jeff Layton
2014-07-30  1:34 ` [PATCH v3 14/38] nfsd: nfsd4_process_open2() must reference the open stateid Jeff Layton
2014-07-30  1:34 ` [PATCH v3 15/38] nfsd: Prepare nfsd4_close() for open stateid referencing Jeff Layton
2014-07-30  1:34 ` [PATCH v3 16/38] nfsd: nfsd4_open_confirm() must reference the open stateid Jeff Layton
2014-07-30  1:34 ` [PATCH v3 17/38] nfsd: Add reference counting to nfs4_preprocess_confirmed_seqid_op Jeff Layton
2014-07-30  1:34 ` [PATCH v3 18/38] nfsd: Migrate the stateid reference into nfs4_preprocess_seqid_op Jeff Layton
2014-07-30  1:34 ` [PATCH v3 19/38] nfsd: Migrate the stateid reference into nfs4_lookup_stateid() Jeff Layton
2014-07-30  1:34 ` [PATCH v3 20/38] nfsd: Migrate the stateid reference into nfs4_find_stateid_by_type() Jeff Layton
2014-07-31 20:04   ` J. Bruce Fields
2014-07-30  1:34 ` [PATCH v3 21/38] nfsd: Add reference counting to state owners Jeff Layton
2014-08-01 16:48   ` J. Bruce Fields [this message]
2014-08-01 16:52     ` Jeff Layton
2014-07-30  1:34 ` [PATCH v3 22/38] nfsd: Add a mutex to protect the NFSv4.0 open owner replay cache Jeff Layton
2014-07-30  1:34 ` [PATCH v3 23/38] nfsd: clean up lockowner refcounting when finding them Jeff Layton
2014-07-30  1:34 ` [PATCH v3 24/38] nfsd: add an operation for unhashing a stateowner Jeff Layton
2014-07-30  1:34 ` [PATCH v3 25/38] nfsd: Make lock stateid take a reference to the lockowner Jeff Layton
2014-07-30  1:34 ` [PATCH v3 26/38] nfsd: clean up refcounting for lockowners Jeff Layton
2014-07-30  1:34 ` [PATCH v3 27/38] nfsd: make openstateids hold references to their openowners Jeff Layton
2014-08-01 19:29   ` J. Bruce Fields
2014-07-30  1:34 ` [PATCH v3 28/38] nfsd: don't allow CLOSE to proceed until refcount on stateid drops Jeff Layton
2014-07-30  1:34 ` [PATCH v3 29/38] nfsd: Protect adding/removing open state owners using client_lock Jeff Layton
2014-07-30  1:34 ` [PATCH v3 30/38] nfsd: Protect adding/removing lock " Jeff Layton
2014-08-01 19:44   ` J. Bruce Fields
2014-07-30  1:34 ` [PATCH v3 31/38] nfsd: Move the open owner hash table into struct nfs4_client Jeff Layton
2014-08-02 10:39   ` Kinglong Mee
2014-08-02 13:11     ` Trond Myklebust
2014-08-02 13:23       ` Jeff Layton
2014-08-02 13:51         ` Kinglong Mee
2014-08-02 13:43       ` Kinglong Mee
2014-08-02 14:05         ` Trond Myklebust
2014-08-02 14:20           ` Kinglong Mee
2014-08-02 14:47             ` Trond Myklebust
2014-08-02 22:59               ` Jeff Layton
2014-08-03  1:59                 ` Trond Myklebust
     [not found]                   ` <CAPakX04ctGujqpJ48WqT1-r5=q0T8D1Ji=q1P5UTuwdw_hTsGg@mail.gmail.com>
2014-08-03 14:15                     ` Kinglong Mee
2014-08-03 14:49                       ` Jeff Layton
2014-08-05 18:46                     ` Bruce Fields
2014-07-30  1:34 ` [PATCH v3 32/38] nfsd: clean up and reorganize release_lockowner Jeff Layton
2014-07-30  1:34 ` [PATCH v3 33/38] nfsd: add locking to stateowner release Jeff Layton
2014-07-30  1:34 ` [PATCH v3 34/38] nfsd: optimize destroy_lockowner cl_lock thrashing Jeff Layton
2014-07-30  1:34 ` [PATCH v3 35/38] nfsd: close potential race in nfsd4_free_stateid Jeff Layton
2014-07-30  1:34 ` [PATCH v3 36/38] nfsd: reduce cl_lock thrashing in release_openowner Jeff Layton
2014-07-30  1:34 ` [PATCH v3 37/38] nfsd: don't thrash the cl_lock while freeing an open stateid Jeff Layton
2014-07-30  1:34 ` [PATCH v3 38/38] nfsd: rename unhash_generic_stateid to unhash_ol_stateid Jeff Layton
2014-08-01 20:25 ` [PATCH v3 00/38] nfsd: stateid and stateowner refcounting overhaul J. Bruce Fields

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