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smb: smbdirect: split out smbdirect_connection_recv_io_refill()

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This will allow us to refill the recv queue in a sync way
after negotiation.

Cc: Steve French <smfrench@gmail.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: Long Li <longli@microsoft.com>
Cc: Namjae Jeon <linkinjeon@kernel.org>
Cc: linux-cifs@vger.kernel.org
Cc: samba-technical@lists.samba.org
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Stefan Metzmacher 2025-09-20 05:42:56 +02:00 committed by Steve French
parent 2b41feecdf
commit a515979524
1 changed files with 25 additions and 11 deletions
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36
fs/smb/common/smbdirect/smbdirect_connection.c
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@ -694,16 +694,13 @@ static int smbdirect_connection_post_recv_io(struct smbdirect_recv_io *msg)
return ret;
}
__maybe_unused /* this is temporary while this file is included in others */
static void smbdirect_connection_recv_io_refill_work(struct work_struct *work)
static int smbdirect_connection_recv_io_refill(struct smbdirect_socket *sc)
{
struct smbdirect_socket *sc =
container_of(work, struct smbdirect_socket, recv_io.posted.refill_work);
int missing;
int posted = 0;
if (unlikely(sc->first_error))
return;
return sc->first_error;
/*
* Find out how much smbdirect_recv_io buffers we should post.
@ -749,7 +746,7 @@ static void smbdirect_connection_recv_io_refill_work(struct work_struct *work)
"smbdirect_connection_post_recv_io failed rc=%d (%1pe)\n",
ret, SMBDIRECT_DEBUG_ERR_PTR(ret));
smbdirect_connection_put_recv_io(recv_io);
return;
return ret;
}
atomic_inc(&sc->recv_io.posted.count);
@ -758,7 +755,7 @@ static void smbdirect_connection_recv_io_refill_work(struct work_struct *work)
/* If nothing was posted we're done */
if (posted == 0)
return;
return 0;
atomic_add(posted, &sc->recv_io.credits.available);
@ -781,11 +778,28 @@ static void smbdirect_connection_recv_io_refill_work(struct work_struct *work)
* grant the credit anyway.
*/
if (missing == 1 && sc->recv_io.credits.target != 1)
return;
return 0;
smbdirect_log_keep_alive(sc, SMBDIRECT_LOG_INFO,
"schedule send of an empty message\n");
queue_work(sc->workqueue, &sc->idle.immediate_work);
return posted;
}
__maybe_unused /* this is temporary while this file is included in others */
static void smbdirect_connection_recv_io_refill_work(struct work_struct *work)
{
struct smbdirect_socket *sc =
container_of(work, struct smbdirect_socket, recv_io.posted.refill_work);
int posted;
posted = smbdirect_connection_recv_io_refill(sc);
if (unlikely(posted < 0)) {
smbdirect_socket_schedule_cleanup(sc, posted);
return;
}
if (posted > 0) {
smbdirect_log_keep_alive(sc, SMBDIRECT_LOG_INFO,
"schedule send of an empty message\n");
queue_work(sc->workqueue, &sc->idle.immediate_work);
}
}
static bool smbdirect_map_sges_single_page(struct smbdirect_map_sges *state,