#
900d337b |
|
14-Feb-2024 |
Mike Snitzer <snitzer@kernel.org> |
dm vdo string-utils: change from uds_ to vdo_ namespace Signed-off-by: Mike Snitzer <snitzer@kernel.org> Signed-off-by: Chung Chung <cchung@redhat.com> Signed-off-by: Matthew Sakai <msakai@redhat.com>
|
#
3584240b |
|
14-Feb-2024 |
Mike Snitzer <snitzer@kernel.org> |
dm vdo logger: change from uds_ to vdo_ namespace Rename all uds_log_* to vdo_log_*. Signed-off-by: Mike Snitzer <snitzer@kernel.org> Signed-off-by: Chung Chung <cchung@redhat.com> Signed-off-by: Matthew Sakai <msakai@redhat.com>
|
#
6a79248b |
|
13-Feb-2024 |
Mike Snitzer <snitzer@kernel.org> |
dm vdo permassert: audit all of ASSERT to test for VDO_SUCCESS Also rename ASSERT to VDO_ASSERT and ASSERT_LOG_ONLY to VDO_ASSERT_LOG_ONLY. But re-introduce ASSERT and ASSERT_LOG_ONLY as a placeholder for the benefit of dm-vdo/indexer. Signed-off-by: Mike Snitzer <snitzer@kernel.org> Signed-off-by: Matthew Sakai <msakai@redhat.com>
|
#
2de70388 |
|
12-Feb-2024 |
Mike Snitzer <snitzer@kernel.org> |
dm vdo: check for VDO_SUCCESS return value from memory-alloc functions VDO_SUCCESS and UDS_SUCCESS were used interchangably, update all callers of VDO's memory-alloc functions to consistently check for VDO_SUCCESS. Signed-off-by: Mike Snitzer <snitzer@kernel.org> Signed-off-by: Matthew Sakai <msakai@redhat.com>
|
#
0eea6b6e |
|
13-Feb-2024 |
Mike Snitzer <snitzer@kernel.org> |
dm vdo memory-alloc: change from uds_ to vdo_ namespace Signed-off-by: Mike Snitzer <snitzer@kernel.org> Signed-off-by: Matthew Sakai <msakai@redhat.com>
|
#
eebd4e16 |
|
21-Feb-2024 |
Jiapeng Chong <jiapeng.chong@linux.alibaba.com> |
dm vdo: fix various function names referenced in comment blocks No functional modification involved. Reported-by: Abaci Robot <abaci@linux.alibaba.com> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com> Signed-off-by: Matthew Sakai <msakai@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
|
#
672fc9b8 |
|
09-Feb-2024 |
Dan Carpenter <dan.carpenter@linaro.org> |
dm vdo slab-depot: delete unnecessary check in allocate_components This is a duplicate check so it can't be true. Delete it. Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Signed-off-by: Susan LeGendre-McGhee <slegendr@redhat.com> Signed-off-by: Matthew Sakai <msakai@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
|
#
dcd1332b |
|
15-Feb-2024 |
Susan LeGendre-McGhee <slegendr@redhat.com> |
dm vdo: remove internal ticket references Signed-off-by: Susan LeGendre-McGhee <slegendr@redhat.com> Signed-off-by: Matthew Sakai <msakai@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
|
#
1ccef45a |
|
26-Jan-2024 |
Mike Snitzer <snitzer@kernel.org> |
dm vdo slab-depot: fix various small nits Comment typo, whitespace issues, mark function inline. Signed-off-by: Mike Snitzer <snitzer@kernel.org> Signed-off-by: Chung Chung <cchung@redhat.com> Signed-off-by: Matthew Sakai <msakai@redhat.com>
|
#
4c79d556 |
|
30-Nov-2023 |
Mike Snitzer <snitzer@kernel.org> |
dm vdo: fix how dm_kcopyd_client_create() failure is checked dm_kcopyd_client_create() returns an ERR_PTR so its return must be checked with IS_ERR(). Signed-off-by: Mike Snitzer <snitzer@kernel.org> Signed-off-by: Chung Chung <cchung@redhat.com> Signed-off-by: Matthew Sakai <msakai@redhat.com>
|
#
d6e260cc |
|
20-Nov-2023 |
Mike Snitzer <snitzer@kernel.org> |
dm vdo wait-queue: add proper namespace to interface Rename various interfaces and structs associated with vdo's wait-queue, e.g.: s/wait_queue/vdo_wait_queue/, s/waiter/vdo_waiter/, etc. Now all function names start with "vdo_waitq_" or "vdo_waiter_". Reviewed-by: Ken Raeburn <raeburn@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org> Signed-off-by: Matthew Sakai <msakai@redhat.com>
|
#
ebe16015 |
|
25-Aug-2023 |
Mike Snitzer <snitzer@kernel.org> |
dm vdo io-submitter: rename to vdo_submit_flush_vio Rename submit_flush_vio() to vdo_submit_flush_vio(). Reviewed-by: Susan LeGendre-McGhee <slegendr@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org> Signed-off-by: Matthew Sakai <msakai@redhat.com>
|
#
f7f46761 |
|
25-Aug-2023 |
Mike Snitzer <snitzer@kernel.org> |
dm vdo io-submitter: rename to vdo_submit_metadata_vio Rename submit_metadata_vio() to vdo_submit_metadata_vio(). Reviewed-by: Susan LeGendre-McGhee <slegendr@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org> Signed-off-by: Matthew Sakai <msakai@redhat.com>
|
#
7ce49449 |
|
16-Nov-2023 |
Matthew Sakai <msakai@redhat.com> |
dm vdo: add the slab depot Add the data and methods that implement the slab_depot that manages the allocation of slabs of blocks added by the preceding patches. Co-developed-by: J. corwin Coburn <corwin@hurlbutnet.net> Signed-off-by: J. corwin Coburn <corwin@hurlbutnet.net> Co-developed-by: Michael Sclafani <dm-devel@lists.linux.dev> Signed-off-by: Michael Sclafani <dm-devel@lists.linux.dev> Co-developed-by: Sweet Tea Dorminy <sweettea-kernel@dorminy.me> Signed-off-by: Sweet Tea Dorminy <sweettea-kernel@dorminy.me> Signed-off-by: Matthew Sakai <msakai@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
|
#
c9ba9fd3 |
|
16-Nov-2023 |
Matthew Sakai <msakai@redhat.com> |
dm vdo: add the block allocators and physical zones Each slab is independent of every other. They are assigned to "physical zones" in round-robin fashion. If there are P physical zones, then slab n is assigned to zone n mod P. The set of slabs in each physical zone is managed by a block allocator. Co-developed-by: J. corwin Coburn <corwin@hurlbutnet.net> Signed-off-by: J. corwin Coburn <corwin@hurlbutnet.net> Co-developed-by: Michael Sclafani <dm-devel@lists.linux.dev> Signed-off-by: Michael Sclafani <dm-devel@lists.linux.dev> Co-developed-by: Sweet Tea Dorminy <sweettea-kernel@dorminy.me> Signed-off-by: Sweet Tea Dorminy <sweettea-kernel@dorminy.me> Signed-off-by: Matthew Sakai <msakai@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
|
#
883069e3 |
|
16-Nov-2023 |
Matthew Sakai <msakai@redhat.com> |
dm vdo: add the slab summary The slab depot maintains an additional small data structure, the "slab summary," which is used to reduce the amount of work needed to come back online after a crash. The slab summary maintains an entry for each slab indicating whether or not the slab has ever been used, whether it is clean (i.e. all of its reference count updates have been persisted to storage), and approximately how full it is. During recovery, each physical zone will attempt to recover at least one slab, stopping whenever it has recovered a slab which has some free blocks. Once each zone has some space (or has determined that none is available), the target can resume normal operation in a degraded mode. Read and write requests can be serviced, perhaps with degraded performance, while the remainder of the dirty slabs are recovered. Co-developed-by: J. corwin Coburn <corwin@hurlbutnet.net> Signed-off-by: J. corwin Coburn <corwin@hurlbutnet.net> Co-developed-by: Michael Sclafani <dm-devel@lists.linux.dev> Signed-off-by: Michael Sclafani <dm-devel@lists.linux.dev> Co-developed-by: Sweet Tea Dorminy <sweettea-kernel@dorminy.me> Signed-off-by: Sweet Tea Dorminy <sweettea-kernel@dorminy.me> Signed-off-by: Matthew Sakai <msakai@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
|
#
09eff388 |
|
16-Nov-2023 |
Matthew Sakai <msakai@redhat.com> |
dm vdo: add slab structure, slab journal and reference counters Most of the vdo volume belongs to the slab depot. The depot contains a collection of slabs. The slabs can be up to 32GB, and are divided into three sections. Most of a slab consists of a linear sequence of 4K blocks. These blocks are used either to store data, or to hold portions of the block map (see subsequent patches). In addition to the data blocks, each slab has a set of reference counters, using 1 byte for each data block. Finally each slab has a journal. Reference updates are written to the slab journal, which is written out one block at a time as each block fills. A copy of the reference counters is kept in memory, and are written out a block at a time, in oldest-dirtied-order whenever there is a need to reclaim slab journal space. The journal is used both to ensure that the main recovery journal (see subsequent patches) can regularly free up space, and also to amortize the cost of updating individual reference blocks. This patch adds the slab structure as well as the slab journal and reference counters. Co-developed-by: J. corwin Coburn <corwin@hurlbutnet.net> Signed-off-by: J. corwin Coburn <corwin@hurlbutnet.net> Co-developed-by: Michael Sclafani <dm-devel@lists.linux.dev> Signed-off-by: Michael Sclafani <dm-devel@lists.linux.dev> Co-developed-by: Sweet Tea Dorminy <sweettea-kernel@dorminy.me> Signed-off-by: Sweet Tea Dorminy <sweettea-kernel@dorminy.me> Signed-off-by: Matthew Sakai <msakai@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
|