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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?T4lrrZGaHFeqvWE+u+TfNFxrIXLCz/N3mQw8fKHOwdmlHKKLVaBb31xzKAQ9?= =?us-ascii?Q?o7GFBwAyx5sTqnj8G2Js946WWldU+JeH9EzXzT/6Z2JXsTyVvKf/wnDHqZ75?= =?us-ascii?Q?0y4yJwElSQVDWr69zZat3iL7uW0L2kITi2iBUh/7fDxv08qhb6chPxT+F9+0?= =?us-ascii?Q?+aCoM0INCfSY+WV6abt/vdzBJeWWm+hBesGaBHl4HQ+tVtyjwXcNW9IdWsX8?= =?us-ascii?Q?SC8ir7IqynfnXHvQedGgfvzGTsTC0AF0cBn4ofGnXziBYLJcK4zB0BumOWnJ?= =?us-ascii?Q?klDY9OQpILfLlo3dhW7wYobYi/TJc9sfF0+OgOm4qfnnKjIl+bOQAnFijlcz?= =?us-ascii?Q?u+dKzs9LTUHDsuI2p2eK2p/HDvZ6IeTCN0E41jU2X1a8cKTnZlnZg1v5a5mw?= =?us-ascii?Q?nCRac9mb0o6lGDKVxH63sdFs5tfkxcLsAY3YGL+6zNxcD1dlv6fEP0QCzz3j?= =?us-ascii?Q?e7+SR9jTFLtH1Oh2kBrc3C+eWIs3hPbXIZmHgQvCAFadoawVhelvcxvKLlPi?= =?us-ascii?Q?H5vJTD8MSn3Wy/3TJp72FAxwwe1ptfkE29/hs2xFmeHdQOxmqWH7ycx0cpJD?= =?us-ascii?Q?nNcvaal9g6gu0nIin7Ta335sVdEPLx4ItKOZnc0rDg7ex+lXFH89wTq0IA+A?= =?us-ascii?Q?hT3iLsi9Y/c0GPeLmnz27WJD5TLjIeW9P+NpvLuhxwtcTdeYx48sTXxmiDGv?= =?us-ascii?Q?ndIztZgdbdkeN4+BeM6x71m4X+QOeVeANfv96VBxQBU8pAWioxNmuHXGGX3R?= =?us-ascii?Q?S9yT3asfDbF4xu5HEEQMlgbklz+pwDfhFiJmPH9NzH+9zI3PUitKMhUPUhfd?= =?us-ascii?Q?evoooS3Stm8pctfPdlATnGJ2rZp/25qjQMNGULCPkFFjycIQYbA3b461FSAC?= =?us-ascii?Q?oouIASRwKXQV7ieBV1zQbTK053vZzxFKenkvXWFWIJfQMM0BAcdNRkirZeSL?= =?us-ascii?Q?n6wSabCKbW6ckgfsJQv1SmYWLv1HlC7k1FSDcj5XxbZBRhboduWZo7f7oCKs?= =?us-ascii?Q?uzY90+JaE1DryAUnnjiJd7UdVgM8xvDsz1tXC+u7JMPXGxlZ+jVQ1IOLUEJj?= =?us-ascii?Q?LLYfO97X/pSy/yF9KkyCoDML8t8v3S0tBZfAG/67ITb+MR2++ENLmbFwrlVP?= =?us-ascii?Q?HJT22MBQANUObijL78ZTr6k1aUwmBVj3tcVSQzYkzW+m1A2/eHO7cYTDtdAd?= =?us-ascii?Q?+ABDgCk6HRYa/Kc5GYQqPH/oTdoOR9Dvmr+0Zh4VwJqQGhfHx3AjnqVb1Vbi?= =?us-ascii?Q?tnqKuJU4bb70HelixkCUNqjRNr2wc1qKu8op+s8XqHIMFAq6iQgIzFVJ2p1V?= =?us-ascii?Q?kI+oj+nOOuD5wzj6JPcgN9ko?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 97530e56-a5ff-424c-44f5-08d935112a75 X-MS-Exchange-CrossTenant-AuthSource: BL0PR12MB5506.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Jun 2021 00:03:29.4114 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: CBKoyE9v3KrpLnrhM/i4V/kos67G48yKJft3Rv6dP7lDz4Iq5aiF8ZtWkOuzOJs2 X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL1PR12MB5361 Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org On Mon, Jun 21, 2021 at 07:53:35AM +0200, Jack Wang wrote: > Hi Jason, hi Doug, hi Jens > > Please consider to include following changes to the next merge window. > > This enables fast memory registration for write IO patch, so rtrs can > support bigger IO than 116k without splitting. With this in place, both > read/write request are more symmetric, and we can also reduce the memory > usage. > > The patchset is orgnized as: > - patch1 preparation. > - patch2 implement fast memory registration for write patch. > - patch3 reduce memory usage. > - patch4 raise MAX_SGEMENTs > - patch5 rnbd-clt to query and use the max_sgements setting. > > As the main change is in RTRS, so it's easier to go through RDMA tree, hence > send this patchset to linux-rdma. > > This is a rebased on the top latest rdma/wip/jgg-for-next commit > 7e78dd816e45 ("RDMA/hns: Clear extended doorbell info before using") > > v1: https://lore.kernel.org/linux-rdma/20210608113536.42965-1-jinpu.wang@ionos.com/T/#t > > Thanks! > > Jack Wang (5): > RDMA/rtrs: Introduce head/tail wr > RDMA/rtrs-clt: Write path fast memory registration > RDMA/rtrs_clt: Alloc less memory with write path fast memory > registration > RDMA/rtrs-clt: Raise MAX_SEGMENTS > rnbd/rtrs-clt: Query and use max_segments from rtrs-clt. Applied to for-next, thanks Jason