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Fix for a build failure for Ubuntu 18.04 kernel 4.15

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This patch fixes the problem of fs_bio_set being defined as a pointer in
kernels before 4.18, which results in build failure.

Fixes #1312

Signed-off-by: Krzysztof Majzerowicz-Jaszcz <krzysztof.majzerowicz-jaszcz@intel.com>
This commit is contained in:
Krzysztof Majzerowicz-Jaszcz 2022-08-18 13:43:00 +02:00
parent 0262065aab
commit da885a8ade
1 changed files with 11 additions and 2 deletions
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13
configure.d/1_bio_split.conf
View File

@ -9,12 +9,15 @@
check() {
cur_name=$(basename $2)
config_file_path=$1
if compile_module $cur_name "bio_split(NULL, 0, 0, 0);" "linux/bio.h"
if compile_module $cur_name "bio_split(NULL, 0, 0, &fs_bio_set);" "linux/bio.h"
then
echo $cur_name "1" >> $config_file_path
elif compile_module $cur_name "bio_split(NULL, 0);" "linux/bio.h"
elif compile_module $cur_name "bio_split(NULL, 0, 0, fs_bio_set);" "linux/bio.h"
then
echo $cur_name "2" >> $config_file_path
elif compile_module $cur_name "bio_split(NULL, 0);" "linux/bio.h"
then
echo $cur_name "3" >> $config_file_path
else
echo $cur_name "X" >> $config_file_path
fi
@ -31,6 +34,12 @@ apply() {
"2")
add_function "
static inline struct bio *cas_bio_split(struct bio *bio, int sectors)
{
return bio_split(bio, sectors, GFP_NOIO, fs_bio_set);
}" ;;
"3")
add_function "
static inline struct bio *cas_bio_split(struct bio *bio, int sectors)
{
struct bio *split, copy;
int bytes = sectors << 9;