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Handle all io on bio handler

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Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
This commit is contained in:
Robert Baldyga
2021-05-17 17:02:38 +02:00
parent fbc3906576
commit 7343cb55fa
14 changed files with 374 additions and 180 deletions
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34
configure.d/1_bio_gendisk.conf Normal file
View File

@@ -0,0 +1,34 @@
#!/bin/bash
#
# Copyright(c) 2012-2021 Intel Corporation
# SPDX-License-Identifier: BSD-3-Clause-Clear
#
. $(dirname $3)/conf_framework
check() {
cur_name=$(basename $2)
config_file_path=$1
if compile_module $cur_name "struct bio *bio; bio->bi_disk;" "linux/blk_types.h"
then
echo $cur_name "1" >> $config_file_path
elif compile_module $cur_name "struct bio *bio; bio->bi_bdev;" "linux/blk_types.h"
then
echo $cur_name "2" >> $config_file_path
else
echo $cur_name "X" >> $config_file_path
fi
}
apply() {
case "$1" in
"1")
add_define "CAS_BIO_GET_GENDISK(bio) (bio->bi_disk)" ;;
"2")
add_define "CAS_BIO_GET_GENDISK(bio) (bio->bi_bdev->bd_disk)" ;;
*)
exit 1
esac
}
conf_run $@

32
configure.d/1_flush_flag.conf
View File

@@ -9,12 +9,15 @@
check() {
cur_name=$(basename $2)
config_file_path=$1
if compile_module $cur_name "REQ_PREFLUSH" "linux/blk_types.h"
if compile_module $cur_name "BIO_FLUSH" "linux/bio.h"
then
echo $cur_name "1" >> $config_file_path
elif compile_module $cur_name "REQ_FLUSH" "linux/blk_types.h"
then
echo $cur_name "2" >> $config_file_path
elif compile_module $cur_name "REQ_PREFLUSH" "linux/blk_types.h"
then
echo $cur_name "3" >> $config_file_path
else
echo $cur_name "X" >> $config_file_path
fi
@@ -23,15 +26,26 @@ check() {
apply() {
case "$1" in
"1")
add_define "CAS_REQ_FLUSH \\
REQ_PREFLUSH"
add_define "CAS_FLUSH_SUPPORTED \\
1" ;;
add_define "CAS_IS_SET_FLUSH(flags) \\
((flags) & BIO_FLUSH)"
add_define "CAS_SET_FLUSH(flags) \\
((flags) | BIO_FLUSH)"
add_define "CAS_CLEAR_FLUSH(flags) \\
((flags) & ~BIO_FLUSH)" ;;
"2")
add_define "CAS_REQ_FLUSH \\
REQ_FLUSH"
add_define "CAS_FLUSH_SUPPORTED \\
1" ;;
add_define "CAS_IS_SET_FLUSH(flags) \\
((flags) & REQ_FLUSH)"
add_define "CAS_SET_FLUSH(flags) \\
((flags) | REQ_FLUSH)"
add_define "CAS_CLEAR_FLUSH(flags) \\
((flags) & ~REQ_FLUSH)" ;;
"3")
add_define "CAS_IS_SET_FLUSH(flags) \\
((flags) & REQ_PREFLUSH)"
add_define "CAS_SET_FLUSH(flags) \\
((flags) | REQ_PREFLUSH)"
add_define "CAS_CLEAR_FLUSH(flags) \\
((flags) & ~REQ_PREFLUSH)" ;;
*)
exit 1
esac

12
configure.d/1_make_request.conf
View File

@@ -12,8 +12,11 @@ check() {
if compile_module $cur_name "blk_queue_make_request" "linux/blkdev.h"
then
echo $cur_name "1" >> $config_file_path
else
elif compile_module $cur_name "struct request_queue *q; q->make_request_fn;" "linux/blkdev.h"
then
echo $cur_name "2" >> $config_file_path
else
echo $cur_name "3" >> $config_file_path
fi
}
@@ -33,6 +36,13 @@ apply() {
{
q->make_request_fn = mfn;
}" ;;
"3")
add_define "make_request_fn void"
add_function "
static inline void cas_blk_queue_make_request(struct request_queue *q,
make_request_fn *mfn)
{
}" ;;
*)
exit 1
esac

40
configure.d/1_req_flush.conf Normal file
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@@ -0,0 +1,40 @@
#!/bin/bash
#
# Copyright(c) 2012-2021 Intel Corporation
# SPDX-License-Identifier: BSD-3-Clause-Clear
#
. $(dirname $3)/conf_framework
check() {
cur_name=$(basename $2)
config_file_path=$1
if compile_module $cur_name "REQ_PREFLUSH" "linux/blk_types.h"
then
echo $cur_name "1" >> $config_file_path
elif compile_module $cur_name "REQ_FLUSH" "linux/blk_types.h"
then
echo $cur_name "2" >> $config_file_path
else
echo $cur_name "X" >> $config_file_path
fi
}
apply() {
case "$1" in
"1")
add_define "CAS_REQ_FLUSH \\
REQ_PREFLUSH"
add_define "CAS_FLUSH_SUPPORTED \\
1" ;;
"2")
add_define "CAS_REQ_FLUSH \\
REQ_FLUSH"
add_define "CAS_FLUSH_SUPPORTED \\
1" ;;
*)
exit 1
esac
}
conf_run $@

31
configure.d/1_set_submit_bio.conf Normal file
View File

@@ -0,0 +1,31 @@
#!/bin/bash
#
# Copyright(c) 2012-2021 Intel Corporation
# SPDX-License-Identifier: BSD-3-Clause-Clear
#
. $(dirname $3)/conf_framework
check() {
cur_name=$(basename $2)
config_file_path=$1
if compile_module $cur_name "struct block_device_operations *ops; ops->submit_bio;" "linux/blkdev.h"
then
echo $cur_name "1" >> $config_file_path
else
echo $cur_name "2" >> $config_file_path
fi
}
apply() {
case "$1" in
"1")
add_define "CAS_SET_SUBMIT_BIO(_fn) .submit_bio = _fn," ;;
"2")
add_define "CAS_SET_SUBMIT_BIO(_fn)" ;;
*)
exit 1
esac
}
conf_run $@

4
configure.d/2_queue_write.conf
View File

@@ -35,7 +35,7 @@ apply() {
}" ;;
"2")
add_define "CAS_CHECK_QUEUE_FLUSH(q) \\
((q)->flush_flags & CAS_REQ_FLUSH)"
CAS_IS_SET_FLUSH((q)->flush_flags)"
add_define "CAS_CHECK_QUEUE_FUA(q) \\
((q)->flush_flags & REQ_FUA)"
add_function "static inline void cas_set_queue_flush_fua(struct request_queue *q,
@@ -43,7 +43,7 @@ apply() {
{
unsigned int flags = 0;
if (flush)
flags |= CAS_REQ_FLUSH;
flags = CAS_SET_FLUSH(flags);
if (fua)
flags |= REQ_FUA;
if (flags)