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From: sashiko-bot@kernel.org
To: "Allison Henderson" <achender@kernel.org>
Cc: linux-rdma@vger.kernel.org
Subject: Re: [PATCH net-next v7 12/12] net/rds: drop rds_conn_count in favor of t_conn_count
Date: Mon, 28 Sep 2026 06:15:07 +0000	[thread overview]
Message-ID: <20260928061507.867E51F008A2@smtp.kernel.org> (raw)
In-Reply-To: <20260927061448.167862-13-achender@kernel.org>

> The previous patch gave each transport its own connection count in
> t_conn_count, incremented and decremented at exactly the points where
> the global rds_conn_count is.  That leaves rds_conn_count with a
> single remaining consumer: the seed of the per-path workqueue names
> in __rds_conn_create().
> 
> Switch the name seed to t_conn_count, as UEK does, and remove
> rds_conn_count.  The numbering becomes per-transport instead of
> global, so connections of different transports can now receive the
> same seed; workqueue names carry no uniqueness requirement, and the
> seed was already reused as the count rose and fell.  Removing the
> counter also removes the rds_conn_lock round-trip that
> rds_conn_destroy_fini() took solely to decrement it.  (The free path
> still sleeps in destroy_workqueue(), so the last reference has to be
> dropped from process context as before; only that one lock goes.)
> 
> Based on the Oracle UEK commit "net/rds: Each RDS transport
> should keep its own connection count".
> 
> Assisted-by: Claude-Code:claude-fable-5
> Signed-off-by: Allison Henderson <achender@kernel.org>

Sashiko has reviewed this patch and found no issues. It looks great!

-- 
Sashiko AI review · https://sashiko.dev/#/patchset/20260927061448.167862-1-achender@kernel.org?part=12


  reply	other threads:[~2026-09-28  6:15 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-27  6:14 [PATCH net-next v7 00/12] net/rds: make connection lifetime reference-counted Allison Henderson
2026-09-27  6:14 ` [PATCH net-next v7 01/12] net/rds: ib: don't enable interrupts in rds_ib_conn_free() Allison Henderson
2026-09-28  6:14   ` sashiko-bot
2026-09-27  6:14 ` [PATCH net-next v7 02/12] net/rds: undo conn_alloc() the same way on every __rds_conn_create() exit Allison Henderson
2026-09-28  6:15   ` sashiko-bot
2026-09-27  6:14 ` [PATCH net-next v7 03/12] net/rds: guard every work-requeueing site with rds_destroy_pending() Allison Henderson
2026-09-28  6:15   ` sashiko-bot
2026-10-01  6:16   ` netdev-bot+sashiko
2026-09-27  6:14 ` [PATCH net-next v7 04/12] net/rds: make rds_destroy_pending() report a connection's own destroy Allison Henderson
2026-09-28  6:15   ` sashiko-bot
2026-10-01  6:16   ` netdev-bot+sashiko
2026-09-27  6:14 ` [PATCH net-next v7 05/12] net/rds: split connection destroy into quiesce and kref-governed free Allison Henderson
2026-09-28  6:15   ` sashiko-bot
2026-10-01  6:16   ` netdev-bot+sashiko
2026-09-27  6:14 ` [PATCH net-next v7 06/12] net/rds: wait for connections to be freed on transport unload Allison Henderson
2026-09-28  6:15   ` sashiko-bot
2026-10-01  6:16   ` netdev-bot+sashiko
2026-09-27  6:14 ` [PATCH net-next v7 07/12] net/rds: unlink transport nodes before a possibly deferred connection free Allison Henderson
2026-09-28  6:15   ` sashiko-bot
2026-10-01  6:16   ` netdev-bot+sashiko
2026-09-27  6:14 ` [PATCH net-next v7 08/12] net/rds: hold a connection reference from struct rds_incoming Allison Henderson
2026-09-28  6:15   ` sashiko-bot
2026-10-01  6:16   ` netdev-bot+sashiko
2026-09-27  6:14 ` [PATCH net-next v7 09/12] net/rds: take cp_lock to purge cp_send_queue in the quiesce Allison Henderson
2026-09-28  6:15   ` sashiko-bot
2026-10-01  6:16   ` netdev-bot+sashiko
2026-09-27  6:14 ` [PATCH net-next v7 10/12] net/rds: hold connection references in lookup, sockets and c_passive Allison Henderson
2026-09-28  6:15   ` sashiko-bot
2026-10-01  6:16   ` netdev-bot+sashiko
2026-09-27  6:14 ` [PATCH net-next v7 11/12] net/rds: pin the connection across RDMA-CM event handling Allison Henderson
2026-09-28  6:15   ` sashiko-bot
2026-10-01  6:16   ` netdev-bot+sashiko
2026-09-27  6:14 ` [PATCH net-next v7 12/12] net/rds: drop rds_conn_count in favor of t_conn_count Allison Henderson
2026-09-28  6:15   ` sashiko-bot [this message]
2026-10-01  6:16   ` netdev-bot+sashiko
2026-10-02 19:37 ` [PATCH net-next v7 00/12] net/rds: make connection lifetime reference-counted Jakub Kicinski
2026-10-02 21:26   ` Allison Henderson

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