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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 v9 06/13] net/rds: split connection destroy into quiesce and kref-governed free
Date: Thu, 08 Oct 2026 03:32:15 +0000	[thread overview]
Message-ID: <sashiko-outbox-163544@kernel.org> (raw)
In-Reply-To: <20261008031333.1142174-7-achender@kernel.org>

> From: Sharath Srinivasan <sharath.srinivasan@oracle.com>
> 
> rds_conn_destroy() tears down the transport state and immediately
> frees the connection, along with its paths and its workqueues.  This
> relies on the assumption (documented in the rds_conn_destroy()
> comments) that "no one else is referencing the connection", which "we
> can only ensure ... in the rmmod path".  However, the callers stopped
> honoring that long ago.  Today, connections are also destroyed on
> network namespace teardown (rds_tcp_kill_sock() and
> rds_loop_kill_conns()), and the following patches deliberately let a
> connection outlive the call.
> 
> This leaves loose ends since references to these destroyed
> connections still exist.  Sockets cache their connections in rs_conn,
> and congestion updates will walk the maps' m_conn_list.  The CM
> [ ... ]
>  infrastructure, no rds_net, single conn hash); destroy keeps its
>  one-call external interface; holder coverage split out into follow-up
>  patches; rewrite commit message]
> 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/20261008031333.1142174-1-achender@kernel.org?part=6


  reply	other threads:[~2026-10-08  3:32 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-08  3:13 [PATCH net-next v9 00/13] net/rds: make connection lifetime reference-counted Allison Henderson
2026-10-08  3:13 ` [PATCH net-next v9 01/13] net/rds: ib: don't enable interrupts in rds_ib_conn_free() Allison Henderson
2026-10-08  3:32   ` sashiko-bot
2026-10-08  3:13 ` [PATCH net-next v9 02/13] net/rds: undo conn_alloc() the same way on every __rds_conn_create() exit Allison Henderson
2026-10-08  3:32   ` sashiko-bot
2026-10-08  3:13 ` [PATCH net-next v9 03/13] net/rds: ib: refuse to attach a connection to a device being removed Allison Henderson
2026-10-08  3:32   ` sashiko-bot
2026-10-12  4:17   ` netdev-bot+sashiko
2026-10-08  3:13 ` [PATCH net-next v9 04/13] net/rds: guard every work-requeueing site with rds_destroy_pending() Allison Henderson
2026-10-08  3:32   ` sashiko-bot
2026-10-08  3:13 ` [PATCH net-next v9 05/13] net/rds: make rds_destroy_pending() report a connection's own destroy Allison Henderson
2026-10-08  3:32   ` sashiko-bot
2026-10-08  3:13 ` [PATCH net-next v9 06/13] net/rds: split connection destroy into quiesce and kref-governed free Allison Henderson
2026-10-08  3:32   ` sashiko-bot [this message]
2026-10-08  3:13 ` [PATCH net-next v9 07/13] net/rds: unlink transport nodes before a possibly deferred connection free Allison Henderson
2026-10-08  3:32   ` sashiko-bot
2026-10-12  4:17   ` netdev-bot+sashiko
2026-10-08  3:13 ` [PATCH net-next v9 08/13] net/rds: wait for connections to be freed on transport unload Allison Henderson
2026-10-08  3:32   ` sashiko-bot
2026-10-08  3:13 ` [PATCH net-next v9 09/13] net/rds: hold a connection reference from struct rds_incoming Allison Henderson
2026-10-08  3:32   ` sashiko-bot
2026-10-12  4:17   ` netdev-bot+sashiko
2026-10-08  3:13 ` [PATCH net-next v9 10/13] net/rds: take cp_lock to purge cp_send_queue in the quiesce Allison Henderson
2026-10-08  3:32   ` sashiko-bot
2026-10-08  3:13 ` [PATCH net-next v9 11/13] net/rds: hold connection references in lookup, sockets and c_passive Allison Henderson
2026-10-08  3:32   ` sashiko-bot
2026-10-12  4:17   ` netdev-bot+sashiko
2026-10-08  3:13 ` [PATCH net-next v9 12/13] net/rds: pin the connection across RDMA-CM event handling Allison Henderson
2026-10-08  3:32   ` sashiko-bot
2026-10-08  3:13 ` [PATCH net-next v9 13/13] net/rds: drop rds_conn_count in favor of t_conn_count Allison Henderson
2026-10-08  3:32   ` sashiko-bot

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