linux-kernel - [PATCH v3 0/2] sunrpc: fix handling of rq_bvec array in svc

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Message-Id: <20251009-rq_bvec-v3-0-57181360b9cb@kernel.org>
Date: Thu, 09 Oct 2025 10:40:09 -0400
From: Jeff Layton <jlayton@...nel.org>
To: Chuck Lever <chuck.lever@...cle.com>, NeilBrown <neil@...wn.name>, 
 Olga Kornievskaia <okorniev@...hat.com>, Dai Ngo <Dai.Ngo@...cle.com>, 
 Tom Talpey <tom@...pey.com>, Trond Myklebust <trondmy@...nel.org>, 
 Anna Schumaker <anna@...nel.org>, "David S. Miller" <davem@...emloft.net>, 
 Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, 
 Paolo Abeni <pabeni@...hat.com>, Simon Horman <horms@...nel.org>, 
 David Howells <dhowells@...hat.com>
Cc: Brandon Adams <brandona@...a.com>, linux-nfs@...r.kernel.org, 
 netdev@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Jeff Layton <jlayton@...nel.org>
Subject: [PATCH v3 0/2] sunrpc: fix handling of rq_bvec array in svc_rqst

This version of the series just changes the second patch to use a
separate rq_bvec_len field instead of rq_maxpages at the places where
it's iterating over the rq_bvec.

Signed-off-by: Jeff Layton <jlayton@...nel.org>
---
Changes in v3:
- Add rq_bvec_len field and use it in appropriate places
- Link to v2: https://lore.kernel.org/r/20251008-rq_bvec-v2-0-823c0a85a27c@kernel.org

Changes in v2:
- Better changelog message for patch #2
- Link to v1: https://lore.kernel.org/r/20251008-rq_bvec-v1-0-7f23d32d75e5@kernel.org

---
Jeff Layton (2):
      sunrpc: account for TCP record marker in rq_bvec array when sending
      sunrpc: add a slot to rqstp->rq_bvec for TCP record marker

 fs/nfsd/vfs.c              | 6 +++---
 include/linux/sunrpc/svc.h | 1 +
 net/sunrpc/svc.c           | 4 +++-
 net/sunrpc/svcsock.c       | 4 ++--
 4 files changed, 9 insertions(+), 6 deletions(-)
---
base-commit: 177818f176ef904fb18d237d1dbba00c2643aaf2
change-id: 20251008-rq_bvec-b66afd0fdbbb

Best regards,
-- 
Jeff Layton <jlayton@...nel.org>