cbc81d2659
This patch implements module responsible for data relocation due to defragmentation, wear-leveling, read disturb and/or background data refresh. The submodule supports moving whole bands, chunks, as well as single logical blocks. Change-Id: Iaef37f50e0bb93986a21e495174f6d5ef8a1f30d Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com> Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com> Signed-off-by: Jakub Radtke <jakub.radtke@intel.com> Reviewed-on: https://review.gerrithub.io/c/431323 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com>
52 lines
2.2 KiB
C
52 lines
2.2 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 FTL_RELOC_H
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#define FTL_RELOC_H
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#include <spdk/stdinc.h>
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#include <spdk/ftl.h>
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struct ftl_reloc;
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struct ftl_band;
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struct ftl_reloc *ftl_reloc_init(struct spdk_ftl_dev *dev);
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void ftl_reloc_free(struct ftl_reloc *reloc);
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void ftl_reloc_add(struct ftl_reloc *reloc, struct ftl_band *band,
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size_t offset, size_t num_lbks, int prio);
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void ftl_reloc(struct ftl_reloc *reloc);
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void ftl_reloc_halt(struct ftl_reloc *reloc);
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void ftl_reloc_resume(struct ftl_reloc *reloc);
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bool ftl_reloc_is_halted(const struct ftl_reloc *reloc);
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#endif /* FTL_RELOC_H */
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