1e5355eba1
Functions and macros dependent on different kernel versions are now generated before compilation basing on current kernel capabilities instead of hardcoding them for specific kernels. Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
39 lines
1.0 KiB
Bash
39 lines
1.0 KiB
Bash
#!/bin/bash
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#
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# Copyright(c) 2012-2019 Intel Corporation
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# SPDX-License-Identifier: BSD-3-Clause-Clear
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#
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. `dirname $0`/conf_framework
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if compile_module "blk_queue_write_cache(NULL, 0, 0)" "linux/blkdev.h"
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then
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add_define "CAS_CHECK_QUEUE_FLUSH(q) \\
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test_bit(QUEUE_FLAG_WC, &(q)->queue_flags)"
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add_define "CAS_CHECK_QUEUE_FUA(q) \\
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test_bit(QUEUE_FLAG_FUA, &(q)->queue_flags)"
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add_function "
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static inline void cas_set_queue_flush_fua(struct request_queue *q,
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bool flush, bool fua)
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{
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blk_queue_write_cache(q, flush, fua);
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}"
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elif compile_module "struct request_queue rq;rq.flush_flags" "linux/blkdev.h"
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then
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add_define "CAS_CHECK_QUEUE_FLUSH(q) \\
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((q)->flush_flags & CAS_REQ_FLUSH)"
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add_define "CAS_CHECK_QUEUE_FUA(q) \\
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((q)->flush_flags & REQ_FUA)"
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add_function "static inline void cas_set_queue_flush_fua(struct request_queue *q,
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bool flush, bool fua)
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{
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unsigned int flags = 0;
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if (flush)
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flags |= CAS_REQ_FLUSH;
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if (fua)
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flags |= REQ_FUA;
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if (flags)
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blk_queue_flush(q, flags);
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}"
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fi
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