ceea308887
This patch removes legacy config support in blobfs library.
Mostly reverting patch:
(97f3104) blobfs: Add conf parse for blobfs.
CacheBufferShift option in legacy config is not tested in CI,
and never received corresponding RPC.
If required the RPC can always be added later on.
Signed-off-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Change-Id: I54e39f069047a243b2186ae5ea225ed452180488
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/4668
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
76 lines
3.1 KiB
C
76 lines
3.1 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright (c) Intel Corporation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SPDK_TREE_H_
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#define SPDK_TREE_H_
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struct cache_buffer {
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uint8_t *buf;
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uint64_t offset;
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uint32_t buf_size;
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uint32_t bytes_filled;
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uint32_t bytes_flushed;
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bool in_progress;
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};
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#define CACHE_BUFFER_SHIFT (18)
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#define CACHE_BUFFER_SIZE (1U << CACHE_BUFFER_SHIFT)
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#define NEXT_CACHE_BUFFER_OFFSET(offset) \
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(((offset + CACHE_BUFFER_SIZE) >> CACHE_BUFFER_SHIFT) << CACHE_BUFFER_SHIFT)
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#define CACHE_TREE_SHIFT 6
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#define CACHE_TREE_WIDTH (1U << CACHE_TREE_SHIFT)
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#define CACHE_TREE_LEVEL_SHIFT(level) (CACHE_BUFFER_SHIFT + (level) * CACHE_TREE_SHIFT)
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#define CACHE_TREE_LEVEL_SIZE(level) (1ULL << CACHE_TREE_LEVEL_SHIFT(level))
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#define CACHE_TREE_LEVEL_MASK(level) (CACHE_TREE_LEVEL_SIZE(level) - 1)
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#define CACHE_TREE_INDEX(level, offset) ((offset >> CACHE_TREE_LEVEL_SHIFT(level)) & (CACHE_TREE_WIDTH - 1))
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struct cache_tree {
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uint8_t level;
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uint64_t present_mask;
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union {
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struct cache_buffer *buffer[CACHE_TREE_WIDTH];
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struct cache_tree *tree[CACHE_TREE_WIDTH];
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} u;
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};
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void cache_buffer_free(struct cache_buffer *cache_buffer);
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struct cache_tree *tree_insert_buffer(struct cache_tree *root, struct cache_buffer *buffer);
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void tree_free_buffers(struct cache_tree *tree);
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struct cache_buffer *tree_find_buffer(struct cache_tree *tree, uint64_t offset);
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struct cache_buffer *tree_find_filled_buffer(struct cache_tree *tree, uint64_t offset);
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void tree_remove_buffer(struct cache_tree *tree, struct cache_buffer *buffer);
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#endif /* SPDK_TREE_H_ */
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