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Thu, 10 Feb 2022 16:07:38 +0000 From: Martin Wilck To: "dm-devel@redhat.com" , "muneendra.kumar@broadcom.com" Thread-Topic: [PATCH v3] multipathd: handle fpin events Thread-Index: AQHYHmebN4b6TWOhBUe6OTftFkCXxKyM89WA Date: Thu, 10 Feb 2022 16:07:38 +0000 Message-ID: References: <20220210032810.714821-1-muneendra.kumar@broadcom.com> In-Reply-To: <20220210032810.714821-1-muneendra.kumar@broadcom.com> Accept-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Evolution 3.42.3 x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 81ebe3ef-2b79-4530-4e00-08d9ecaf757c x-ms-traffictypediagnostic: AM9PR04MB8337:EE_ x-ld-processed: f7a17af6-1c5c-4a36-aa8b-f5be247aa4ba,ExtFwd x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:8882 x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0 x-microsoft-antispam-message-info: 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 x-forefront-antispam-report: CIP:255.255.255.255; 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charset="us-ascii" Content-Transfer-Encoding: 7bit On Wed, 2022-02-09 at 19:28 -0800, Muneendra Kumar wrote: > This patch incorporates the functionality to handle > FPIN ELS events present as part of FCTransport daemon > (available in EPEL8) into the multipathd. This helps us to > reduce the response time to react and take the necessary actions > on receiving the FPIN events. > > This patch currently support FPIN-Li Events. > > It adds a new thread to listen for ELS frames from driver and on > receiving the frame payload, push the payload to a list and notify > the > fpin_els_li_consumer thread to process it.Once consumer thread is > notified, it returns to listen for more ELS frames from driver. > > The consumer thread process the ELS frames and moves the devices > paths > which are affected due to link integrity to marginal path groups. > This also sets the associated portstate to marginal. > The paths which are set to marginal path group will be unset > on receiving the RSCN events > > Signed-off-by: Muneendra Kumar > Signed-off-by: Benjamin Marzinski > --- Reviewed-by: Martin Wilck Thanks! Martin -- dm-devel mailing list dm-devel@redhat.com https://listman.redhat.com/mailman/listinfo/dm-devel