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Fri, 28 Aug 2026 09:33:58 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dell.com; i=@dell.com; q=dns/txt; s=smtpdev1; t=1787924038; x=1819460038; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=xc/gjn9dctudtpqhIH46mmiFNi7ncSKNCVPeVsRTyks=; b=C9AWk9TehLr/tvcrquhifXTV5OVQjTULDLg+jDbThF3KC03jFxiyeCT6 eXdYA/JPBJPcrjI0ZQQYqBCqOZi9hl68Aecr5YAnQB9/JtIWVWTHEYkb/ rkvpPKA1UfyJQGOSQuBFOELH5XOrny71mbWICXtRqfG6QlKamly1Da3IL xHpDSEqwH4NkfximOxHb7uf77oAKKqgtvh0wjGZkVJ4Cq6X1MoDinv6Xs AFt42dyerHdwon87zk1UXixAmoy9l1XFw186CZAtwshRl0T/dgo6OLQoK 7wB4io/TBr/97TQ1hU47uzINvPPkmogDor2LPLmWAw9kdvbNEoqjTWQqi A==; X-CSE-ConnectionGUID: 1/RNS+EOT/6yfIish/4bLw== X-CSE-MsgGUID: q2hD7lK3SXSMZn9+YmzL1Q== X-LoopCount0: from 10.94.8.206 X-MS-Exchange-CrossPremises-AuthAs: Internal Received: from w-96j1th4.apac.dell.com (HELO W-96J1TH4.blr.amer.dell.com) ([10.94.8.206]) by esapsmtpat04.us.dell.com with ESMTP/TLS/TLS_AES_256_GCM_SHA384; 28 Aug 2026 13:33:54 +0000 From: Prabhakar Pujeri To: Chuck Lever , Jeff Layton Cc: Prabhakar Pujeri , NeilBrown , Olga Kornievskaia , Dai Ngo , Tom Talpey , Donald Hunter , Jakub Kicinski , linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v1 1/3] nfsd: report NFSv4 grace state through Netlink Date: Fri, 28 Aug 2026 13:33:51 +0000 Message-ID: <20260828133351.923-1-prabhakar.pujeri@dell.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <1c53950d-66ba-490a-872f-b2318c584d3c@app.fastmail.com> References: <3fd25e2178458fbb44f57f1b0e068c12a6503d17.1787638668.git.prabhakar.pujeri@dell.com> <1046756851d9d7d688ac612a7f175e48745d2b84.camel@kernel.org> <20260827045139.4353-1-prabhakar.pujeri@dell.com> <1c53950d-66ba-490a-872f-b2318c584d3c@app.fastmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-28_04,2026-08-27_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 malwarescore=0 clxscore=1015 phishscore=0 adultscore=0 lowpriorityscore=0 suspectscore=0 spamscore=0 priorityscore=1501 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608280117 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODI4MDExNyBTYWx0ZWRfXwbj0p36z3NVY 0N73266y7o0LhItd+Etpg3m8E2ihFiJgItRCAc6hulbY2TXIE4+qCHqg6hlzNOZZ00aqIyD+fCm c2qN0dnu2SW0Sje5cn0U186eFkddFmLTCejdx7qDcLbOnDuf9GH0moNOuCubPjs6ASWkk6ma94c 9GuZfT7NWBZsJJvdxVrUPgTw71P31GXuJk4KGHj+63PBqwIaKjmDw5YEWIuXeG4vZJTHp8Ohp8e BSR4HkPZKHLk7Bn1khYEH2u5XZIoMTS/EXAvPczWmbn8gpSdUw5NJ49GQC7E4afN1ZLDLzLZKSJ OjsxCeTUb2OB6QU7NA2awE05QVKb+34uMwyi2sMmhHLGKK4pEzWnDpfY03fmRtn+fSh+keCOAmd dp3IYnYjShmBsn8pYmRieOdQgdsLfjq5BI5EXPz4GuFn/Hyc+qmev6gC3eJkb/MZKmf5GhldKul LHRFz9r3C6uDadP2WJw== X-Proofpoint-GUID: JRm0P04Wok8Ds6y0MbKvxwJvWr_ly6fr X-Authority-Analysis: v=2.4 cv=QYhWeMbv c=1 sm=1 tr=0 ts=6a918e47 cx=c_pps a=j0++y401J6f/BxNAf5EDow==:117 a=xQoiRHjKKYbJmV+sD1MyuQ==:17 a=Sv0fKeRqtYgA:10 a=ke5jqHz-1hQA:10 a=VkNPw1HP01LnGYTKEx00:22 a=6gNNCFAoQcIphELLPWWu:22 a=m3zZTHMLHbwB7Lmtoed2:22 a=kz_WCJu1lKwFQU8Hqq0A:9 a=zZCYzV9kfG8A:10 a=gbU3OgOOxF9bX48Letew:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwODI4MDExNyBTYWx0ZWRfX9cV9YAo2S+8F jwWkU22VtgsOQ1DyqvD1RKlWr+8x7d8j8SOsdvBW67fGpsh1hTEidD0APAFH2XUOOOTIiEXSfVQ aFHdKx20X8GAHPXFIJvGZs3iJrA8ads= X-Proofpoint-ORIG-GUID: JRm0P04Wok8Ds6y0MbKvxwJvWr_ly6fr X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 clxscore=1015 malwarescore=0 lowpriorityscore=0 phishscore=0 suspectscore=0 impostorscore=0 bulkscore=0 spamscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608280117 On Thu, 2026-08-27 at 09:06 -0400, Chuck Lever wrote: > I'd like any new API to avoid foreclosing the ability to move exports > in and out of grace individually. Thanks, that makes sense. A network-namespace-wide boolean would remain useful as an aggregate, but the current single attribute does not make its scope explicit enough for future per-export grace. I will avoid freezing that ABI in this reroll. I'll drop the grace-reporting patch from the client-visibility v2 and post the client dump and state-count patches separately. I'll follow up with a dedicated grace-status proposal whose records carry an explicit scope, so it can represent the server-wide state today and individual exports later. I also prefer to get agreement on the export identity before adding that part speculatively. Does that direction address your concern? Thanks, Prabhakar