From: Nitesh Shetty <nj.shetty@samsung.com> To: mpatocka@redhat.com Cc: javier@javigon.com, chaitanyak@nvidia.com, linux-block@vger.kernel.org, linux-scsi@vger.kernel.org, dm-devel@redhat.com, linux-nvme@lists.infradead.org, linux-fsdevel@vger.kernel.org, axboe@kernel.dk, msnitzer@redhat.com, bvanassche@acm.org, martin.petersen@oracle.com, roland@purestorage.com, hare@suse.de, kbusch@kernel.org, hch@lst.de, Frederick.Knight@netapp.com, zach.brown@ni.com, osandov@fb.com, lsf-pc@lists.linux-foundation.org, djwong@kernel.org, josef@toxicpanda.com, clm@fb.com, dsterba@suse.com, tytso@mit.edu, jack@suse.com, joshi.k@samsung.com, arnav.dawn@samsung.com, nj.shetty@samsung.com Subject: [PATCH v2 00/10] Add Copy offload support Date: Mon, 7 Feb 2022 19:43:38 +0530 [thread overview] Message-ID: <20220207141348.4235-1-nj.shetty@samsung.com> (raw) In-Reply-To: <CAOSviJ0HmT9iwdHdNtuZ8vHETCosRMpR33NcYGVWOV0ki3EYgw@mail.gmail.com> The patch series covers the points discussed in November 2021 virtual call [LSF/MM/BFP TOPIC] Storage: Copy Offload[0]. We have covered the Initial agreed requirements in this patchset. Patchset borrows Mikulas's token based approach for 2 bdev implementation. This is on top of our previous patchset v1[1]. Overall series supports – 1. Driver - NVMe Copy command (single NS), including support in nvme-target (for block and file backend) 2. Block layer - Block-generic copy (REQ_COPY flag), with interface accommodating two block-devs, and multi-source/destination interface - Emulation, when offload is natively absent - dm-linear support (for cases not requiring split) 3. User-interface - new ioctl 4. In-kernel user - dm-kcopyd [0] https://lore.kernel.org/linux-nvme/CA+1E3rJ7BZ7LjQXXTdX+-0Edz=zT14mmPGMiVCzUgB33C60tbQ@mail.gmail.com/ [1] https://lore.kernel.org/linux-block/20210817101423.12367-1-selvakuma.s1@samsung.com/ Arnav Dawn (1): nvmet: add copy command support for bdev and file ns Nitesh Shetty (6): block: Introduce queue limits for copy-offload support block: Add copy offload support infrastructure block: Introduce a new ioctl for copy block: add emulation for copy dm: Add support for copy offload. dm: Enable copy offload for dm-linear target SelvaKumar S (3): block: make bio_map_kern() non static nvme: add copy support dm kcopyd: use copy offload support block/blk-lib.c | 335 ++++++++++++++++++++++++++++++ block/blk-map.c | 2 +- block/blk-settings.c | 6 + block/blk-sysfs.c | 51 +++++ block/blk.h | 2 + block/ioctl.c | 37 ++++ drivers/md/dm-kcopyd.c | 57 ++++- drivers/md/dm-linear.c | 1 + drivers/md/dm-table.c | 43 ++++ drivers/md/dm.c | 6 + drivers/nvme/host/core.c | 121 ++++++++++- drivers/nvme/host/nvme.h | 7 + drivers/nvme/host/pci.c | 9 + drivers/nvme/host/trace.c | 19 ++ drivers/nvme/target/admin-cmd.c | 8 +- drivers/nvme/target/io-cmd-bdev.c | 66 ++++++ drivers/nvme/target/io-cmd-file.c | 48 +++++ include/linux/blk_types.h | 20 ++ include/linux/blkdev.h | 17 ++ include/linux/device-mapper.h | 5 + include/linux/nvme.h | 43 +++- include/uapi/linux/fs.h | 23 ++ 22 files changed, 912 insertions(+), 14 deletions(-) -- 2.30.0-rc0
WARNING: multiple messages have this Message-ID (diff)
From: Nitesh Shetty <nj.shetty@samsung.com> To: mpatocka@redhat.com Cc: djwong@kernel.org, linux-nvme@lists.infradead.org, clm@fb.com, dm-devel@redhat.com, osandov@fb.com, javier@javigon.com, bvanassche@acm.org, linux-scsi@vger.kernel.org, hch@lst.de, roland@purestorage.com, nj.shetty@samsung.com, zach.brown@ni.com, chaitanyak@nvidia.com, msnitzer@redhat.com, josef@toxicpanda.com, linux-block@vger.kernel.org, dsterba@suse.com, kbusch@kernel.org, Frederick.Knight@netapp.com, axboe@kernel.dk, tytso@mit.edu, joshi.k@samsung.com, martin.petersen@oracle.com, arnav.dawn@samsung.com, jack@suse.com, linux-fsdevel@vger.kernel.org, lsf-pc@lists.linux-foundation.org Subject: [dm-devel] [PATCH v2 00/10] Add Copy offload support Date: Mon, 7 Feb 2022 19:43:38 +0530 [thread overview] Message-ID: <20220207141348.4235-1-nj.shetty@samsung.com> (raw) In-Reply-To: <CAOSviJ0HmT9iwdHdNtuZ8vHETCosRMpR33NcYGVWOV0ki3EYgw@mail.gmail.com> The patch series covers the points discussed in November 2021 virtual call [LSF/MM/BFP TOPIC] Storage: Copy Offload[0]. We have covered the Initial agreed requirements in this patchset. Patchset borrows Mikulas's token based approach for 2 bdev implementation. This is on top of our previous patchset v1[1]. Overall series supports – 1. Driver - NVMe Copy command (single NS), including support in nvme-target (for block and file backend) 2. Block layer - Block-generic copy (REQ_COPY flag), with interface accommodating two block-devs, and multi-source/destination interface - Emulation, when offload is natively absent - dm-linear support (for cases not requiring split) 3. User-interface - new ioctl 4. In-kernel user - dm-kcopyd [0] https://lore.kernel.org/linux-nvme/CA+1E3rJ7BZ7LjQXXTdX+-0Edz=zT14mmPGMiVCzUgB33C60tbQ@mail.gmail.com/ [1] https://lore.kernel.org/linux-block/20210817101423.12367-1-selvakuma.s1@samsung.com/ Arnav Dawn (1): nvmet: add copy command support for bdev and file ns Nitesh Shetty (6): block: Introduce queue limits for copy-offload support block: Add copy offload support infrastructure block: Introduce a new ioctl for copy block: add emulation for copy dm: Add support for copy offload. dm: Enable copy offload for dm-linear target SelvaKumar S (3): block: make bio_map_kern() non static nvme: add copy support dm kcopyd: use copy offload support block/blk-lib.c | 335 ++++++++++++++++++++++++++++++ block/blk-map.c | 2 +- block/blk-settings.c | 6 + block/blk-sysfs.c | 51 +++++ block/blk.h | 2 + block/ioctl.c | 37 ++++ drivers/md/dm-kcopyd.c | 57 ++++- drivers/md/dm-linear.c | 1 + drivers/md/dm-table.c | 43 ++++ drivers/md/dm.c | 6 + drivers/nvme/host/core.c | 121 ++++++++++- drivers/nvme/host/nvme.h | 7 + drivers/nvme/host/pci.c | 9 + drivers/nvme/host/trace.c | 19 ++ drivers/nvme/target/admin-cmd.c | 8 +- drivers/nvme/target/io-cmd-bdev.c | 66 ++++++ drivers/nvme/target/io-cmd-file.c | 48 +++++ include/linux/blk_types.h | 20 ++ include/linux/blkdev.h | 17 ++ include/linux/device-mapper.h | 5 + include/linux/nvme.h | 43 +++- include/uapi/linux/fs.h | 23 ++ 22 files changed, 912 insertions(+), 14 deletions(-) -- 2.30.0-rc0 -- dm-devel mailing list dm-devel@redhat.com https://listman.redhat.com/mailman/listinfo/dm-devel
next prev parent reply other threads:[~2022-02-07 14:55 UTC|newest] Thread overview: 183+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <CGME20220127071544uscas1p2f70f4d2509f3ebd574b7ed746d3fa551@uscas1p2.samsung.com> 2022-01-27 7:14 ` [LSF/MM/BFP ATTEND] [LSF/MM/BFP TOPIC] Storage: Copy Offload Chaitanya Kulkarni 2022-01-28 19:59 ` Adam Manzanares 2022-01-28 19:59 ` [dm-devel] " Adam Manzanares 2022-01-31 11:49 ` Johannes Thumshirn 2022-01-31 11:49 ` Johannes Thumshirn 2022-01-31 19:03 ` Bart Van Assche 2022-01-31 19:03 ` [dm-devel] " Bart Van Assche 2022-02-01 1:54 ` Luis Chamberlain 2022-02-01 1:54 ` Luis Chamberlain 2022-02-01 10:21 ` Javier González 2022-02-01 18:31 ` [RFC PATCH 0/3] NVMe copy offload patches Mikulas Patocka 2022-02-01 18:31 ` [dm-devel] " Mikulas Patocka 2022-02-01 18:32 ` [RFC PATCH 1/3] block: add copy offload support Mikulas Patocka 2022-02-01 18:32 ` [dm-devel] " Mikulas Patocka 2022-02-01 19:18 ` Bart Van Assche 2022-02-01 19:18 ` [dm-devel] " Bart Van Assche 2022-02-03 18:50 ` Mikulas Patocka 2022-02-03 18:50 ` Mikulas Patocka 2022-02-03 20:11 ` Keith Busch 2022-02-03 20:11 ` [dm-devel] " Keith Busch 2022-02-03 22:49 ` Bart Van Assche 2022-02-03 22:49 ` Bart Van Assche 2022-02-04 12:09 ` [dm-devel] " Mikulas Patocka 2022-02-04 12:09 ` Mikulas Patocka 2022-02-04 13:34 ` Jens Axboe 2022-02-04 13:34 ` [dm-devel] " Jens Axboe 2022-02-02 16:21 ` Keith Busch 2022-02-02 16:21 ` [dm-devel] " Keith Busch 2022-02-02 16:40 ` Mikulas Patocka 2022-02-02 16:40 ` [dm-devel] " Mikulas Patocka 2022-02-02 18:40 ` Knight, Frederick 2022-02-02 18:40 ` [dm-devel] " Knight, Frederick 2022-02-01 18:33 ` [RFC PATCH 2/3] nvme: " Mikulas Patocka 2022-02-01 18:33 ` [dm-devel] " Mikulas Patocka 2022-02-01 19:18 ` Bart Van Assche 2022-02-01 19:18 ` [dm-devel] " Bart Van Assche 2022-02-01 19:25 ` Mikulas Patocka 2022-02-01 19:25 ` [dm-devel] " Mikulas Patocka 2022-02-01 18:33 ` [RFC PATCH 3/3] nvme: add the "debug" host driver Mikulas Patocka 2022-02-01 18:33 ` [dm-devel] " Mikulas Patocka 2022-02-01 21:32 ` kernel test robot 2022-02-02 6:01 ` Adam Manzanares 2022-02-02 6:01 ` [dm-devel] " Adam Manzanares 2022-02-03 16:06 ` Luis Chamberlain 2022-02-03 16:06 ` Luis Chamberlain 2022-02-03 16:15 ` [dm-devel] " Christoph Hellwig 2022-02-03 16:15 ` Christoph Hellwig 2022-02-03 19:34 ` Luis Chamberlain 2022-02-03 19:34 ` [dm-devel] " Luis Chamberlain 2022-02-03 19:46 ` Adam Manzanares 2022-02-03 19:46 ` [dm-devel] " Adam Manzanares 2022-02-03 20:57 ` Mikulas Patocka 2022-02-03 20:57 ` Mikulas Patocka 2022-02-03 22:52 ` Adam Manzanares 2022-02-03 22:52 ` [dm-devel] " Adam Manzanares 2022-02-04 3:00 ` Chaitanya Kulkarni 2022-02-04 3:00 ` [dm-devel] " Chaitanya Kulkarni 2022-02-04 3:05 ` Chaitanya Kulkarni 2022-02-04 3:05 ` [dm-devel] " Chaitanya Kulkarni 2022-02-02 7:23 ` kernel test robot 2022-02-02 7:23 ` kernel test robot 2022-02-02 8:00 ` Chaitanya Kulkarni 2022-02-02 8:00 ` [dm-devel] " Chaitanya Kulkarni 2022-02-02 12:38 ` Klaus Jensen 2022-02-02 12:38 ` [dm-devel] " Klaus Jensen 2022-02-03 15:38 ` Luis Chamberlain 2022-02-03 15:38 ` Luis Chamberlain 2022-02-03 16:52 ` Keith Busch 2022-02-03 16:52 ` [dm-devel] " Keith Busch 2022-02-03 19:50 ` Adam Manzanares 2022-02-03 19:50 ` [dm-devel] " Adam Manzanares 2022-02-04 3:12 ` Chaitanya Kulkarni 2022-02-04 3:12 ` [dm-devel] " Chaitanya Kulkarni 2022-02-04 6:28 ` Damien Le Moal 2022-02-04 6:28 ` [dm-devel] " Damien Le Moal 2022-02-04 7:58 ` Chaitanya Kulkarni 2022-02-04 7:58 ` [dm-devel] " Chaitanya Kulkarni 2022-02-04 8:24 ` Javier González 2022-02-04 8:24 ` [dm-devel] " Javier González 2022-02-04 9:58 ` Chaitanya Kulkarni 2022-02-04 9:58 ` [dm-devel] " Chaitanya Kulkarni 2022-02-04 11:34 ` Javier González 2022-02-04 11:34 ` [dm-devel] " Javier González 2022-02-04 14:15 ` Hannes Reinecke 2022-02-04 14:15 ` [dm-devel] " Hannes Reinecke 2022-02-04 14:24 ` Keith Busch 2022-02-04 14:24 ` [dm-devel] " Keith Busch 2022-02-04 16:01 ` Christoph Hellwig 2022-02-04 16:01 ` [dm-devel] " Christoph Hellwig 2022-02-04 19:41 ` [RFC PATCH 0/3] NVMe copy offload patches Nitesh Shetty 2022-02-04 19:41 ` [dm-devel] " Nitesh Shetty [not found] ` <CGME20220207141901epcas5p162ec2387815be7a1fd67ce0ab7082119@epcas5p1.samsung.com> 2022-02-07 14:13 ` Nitesh Shetty [this message] 2022-02-07 14:13 ` [dm-devel] [PATCH v2 00/10] Add Copy offload support Nitesh Shetty [not found] ` <CGME20220207141908epcas5p4f270c89fc32434ea8b525fa973098231@epcas5p4.samsung.com> 2022-02-07 14:13 ` [PATCH v2 01/10] block: make bio_map_kern() non static Nitesh Shetty 2022-02-07 14:13 ` [dm-devel] " Nitesh Shetty [not found] ` <CGME20220207141913epcas5p4d41cb549b7cca1ede5c7a66bbd110da0@epcas5p4.samsung.com> 2022-02-07 14:13 ` [PATCH v2 02/10] block: Introduce queue limits for copy-offload support Nitesh Shetty 2022-02-07 14:13 ` [dm-devel] " Nitesh Shetty 2022-02-08 7:01 ` Damien Le Moal 2022-02-08 7:01 ` [dm-devel] " Damien Le Moal 2022-02-08 18:43 ` Nitesh Shetty 2022-02-08 18:43 ` [dm-devel] " Nitesh Shetty [not found] ` <CGME20220207141918epcas5p4f9badc0c3f3f0913f091c850d2d3bd81@epcas5p4.samsung.com> 2022-02-07 14:13 ` [PATCH v2 03/10] block: Add copy offload support infrastructure Nitesh Shetty 2022-02-07 14:13 ` [dm-devel] " Nitesh Shetty 2022-02-07 22:45 ` kernel test robot 2022-02-07 22:45 ` kernel test robot 2022-02-07 22:45 ` [dm-devel] " kernel test robot 2022-02-07 23:26 ` kernel test robot 2022-02-07 23:26 ` kernel test robot 2022-02-07 23:26 ` [dm-devel] " kernel test robot 2022-02-08 7:21 ` Damien Le Moal 2022-02-08 7:21 ` [dm-devel] " Damien Le Moal 2022-02-09 10:22 ` Nitesh Shetty 2022-02-09 10:22 ` [dm-devel] " Nitesh Shetty [not found] ` <CGME20220207141924epcas5p26ad9cf5de732224f408aded12ed0a577@epcas5p2.samsung.com> 2022-02-07 14:13 ` [PATCH v2 04/10] block: Introduce a new ioctl for copy Nitesh Shetty 2022-02-07 14:13 ` [dm-devel] " Nitesh Shetty 2022-02-09 3:39 ` kernel test robot 2022-02-09 3:39 ` kernel test robot 2022-02-09 3:39 ` kernel test robot [not found] ` <CGME20220207141930epcas5p2bcbff65f78ad1dede64648d73ddb3770@epcas5p2.samsung.com> 2022-02-07 14:13 ` [PATCH v2 05/10] block: add emulation " Nitesh Shetty 2022-02-07 14:13 ` [dm-devel] " Nitesh Shetty 2022-02-08 3:20 ` kernel test robot 2022-02-08 3:20 ` kernel test robot 2022-02-08 3:20 ` [dm-devel] " kernel test robot 2022-02-16 13:32 ` Mikulas Patocka 2022-02-16 13:32 ` Mikulas Patocka 2022-02-17 13:18 ` Nitesh Shetty 2022-02-17 13:18 ` [dm-devel] " Nitesh Shetty [not found] ` <CGME20220207141937epcas5p2bd57ae35056c69b3e2f9ee2348d6af19@epcas5p2.samsung.com> 2022-02-07 14:13 ` [PATCH v2 06/10] nvme: add copy support Nitesh Shetty 2022-02-07 14:13 ` [dm-devel] " Nitesh Shetty 2022-02-10 7:08 ` kernel test robot 2022-02-10 7:08 ` kernel test robot 2022-02-10 7:08 ` kernel test robot [not found] ` <CGME20220207141942epcas5p4bda894a5833513c9211dcecc7928a951@epcas5p4.samsung.com> 2022-02-07 14:13 ` [PATCH v2 07/10] nvmet: add copy command support for bdev and file ns Nitesh Shetty 2022-02-07 14:13 ` [dm-devel] " Nitesh Shetty 2022-02-07 18:10 ` kernel test robot 2022-02-07 18:10 ` kernel test robot 2022-02-07 18:10 ` [dm-devel] " kernel test robot 2022-02-07 20:12 ` kernel test robot 2022-02-07 20:12 ` kernel test robot 2022-02-07 20:12 ` [dm-devel] " kernel test robot 2022-02-10 8:31 ` kernel test robot 2022-02-10 8:31 ` kernel test robot 2022-02-10 8:31 ` kernel test robot [not found] ` <CGME20220207141948epcas5p4534f6bdc5a1e2e676d7d09c04f8b4a5b@epcas5p4.samsung.com> 2022-02-07 14:13 ` [PATCH v2 08/10] dm: Add support for copy offload Nitesh Shetty 2022-02-07 14:13 ` [dm-devel] " Nitesh Shetty 2022-02-16 13:51 ` Mikulas Patocka 2022-02-16 13:51 ` Mikulas Patocka 2022-02-24 12:42 ` Nitesh Shetty 2022-02-24 12:42 ` [dm-devel] " Nitesh Shetty 2022-02-25 9:12 ` Mikulas Patocka 2022-02-25 9:12 ` [dm-devel] " Mikulas Patocka [not found] ` <CGME20220207141953epcas5p32ccc3c0bbe642cea074edefcc32302a5@epcas5p3.samsung.com> 2022-02-07 14:13 ` [PATCH v2 09/10] dm: Enable copy offload for dm-linear target Nitesh Shetty 2022-02-07 14:13 ` [dm-devel] " Nitesh Shetty [not found] ` <CGME20220207141958epcas5p25f1cd06726217696d13c2dfbea010565@epcas5p2.samsung.com> 2022-02-07 14:13 ` [PATCH v2 10/10] dm kcopyd: use copy offload support Nitesh Shetty 2022-02-07 14:13 ` [dm-devel] " Nitesh Shetty 2022-02-07 9:57 ` [LSF/MM/BFP ATTEND] [LSF/MM/BFP TOPIC] Storage: Copy Offload Nitesh Shetty 2022-02-07 9:57 ` [dm-devel] " Nitesh Shetty 2022-02-02 5:57 ` Kanchan Joshi 2022-02-02 5:57 ` [dm-devel] " Kanchan Joshi 2022-02-07 10:45 ` David Disseldorp 2022-02-07 10:45 ` [dm-devel] " David Disseldorp 2022-03-01 17:34 ` Nikos Tsironis 2022-03-01 17:34 ` [dm-devel] " Nikos Tsironis 2022-03-01 21:32 ` Chaitanya Kulkarni 2022-03-03 18:36 ` [dm-devel] " Nikos Tsironis 2022-03-03 18:36 ` Nikos Tsironis 2022-03-08 20:48 ` Nikos Tsironis 2022-03-08 20:48 ` [dm-devel] " Nikos Tsironis 2022-03-09 8:51 ` Mikulas Patocka 2022-03-09 8:51 ` Mikulas Patocka 2022-03-09 15:49 ` Nikos Tsironis 2022-03-09 15:49 ` [dm-devel] " Nikos Tsironis [not found] <CGME20220209075901epcas5p3cff468deadd8ef836522f032bd4ed36c@epcas5p3.samsung.com> 2022-02-08 23:31 ` [PATCH v2 03/10] block: Add copy offload support infrastructure kernel test robot 2022-02-09 7:48 ` Dan Carpenter 2022-02-09 7:48 ` [dm-devel] " Dan Carpenter 2022-02-09 7:48 ` Dan Carpenter 2022-02-09 10:32 ` Nitesh Shetty 2022-02-10 6:13 ` Nitesh Shetty 2022-02-09 10:32 ` [dm-devel] " Nitesh Shetty 2022-02-10 22:49 [PATCH v2 07/10] nvmet: add copy command support for bdev and file ns kernel test robot 2022-02-11 7:52 ` Dan Carpenter 2022-02-11 7:52 ` [dm-devel] " Dan Carpenter 2022-02-11 7:52 ` Dan Carpenter
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