Hi Coly,
I modified the wrong patch and tested the new one.
Please check it.
1) Build the module with the invalid patch:
-------------------------------------
make O=../build/ M=drivers/md/bcache
make[1]: Entering directory '/root/KERNEL/build'
CC [M] drivers/md/bcache/alloc.o
CC [M] drivers/md/bcache/bset.o
CC [M] drivers/md/bcache/btree.o
CC [M] drivers/md/bcache/closure.o
CC [M] drivers/md/bcache/debug.o
CC [M] drivers/md/bcache/extents.o
CC [M] drivers/md/bcache/io.o
CC [M] drivers/md/bcache/journal.o
CC [M] drivers/md/bcache/movinggc.o
CC [M] drivers/md/bcache/request.o
CC [M] drivers/md/bcache/stats.o
CC [M] drivers/md/bcache/super.o
/root/KERNEL/linux/drivers/md/bcache/super.c: In function cached_dev_detach_finish:
/root/KERNEL/linux/drivers/md/bcache/super.c:994:34: error: invalid type argument of -> (have struct bcache_device)
calc_cached_dev_sectors(dc->disk->c);
^~
/root/KERNEL/linux/scripts/Makefile.build:317: recipe for target 'drivers/md/bcache/super.o' failed
make[2]: *** [drivers/md/bcache/super.o] Error 1
/root/KERNEL/linux/Makefile:1500: recipe for target '_module_drivers/md/bcache' failed
make[1]: *** [_module_drivers/md/bcache] Error 2
make[1]: Leaving directory '/root/KERNEL/build'
Makefile:146: recipe for target 'sub-make' failed
make: *** [sub-make] Error 2
2) Build the module with new patch:
-----------------------------------
make O=../build/ M=drivers/md/bcache
make[1]: Entering directory '/root/KERNEL/build'
CC [M] drivers/md/bcache/super.o
CC [M] drivers/md/bcache/sysfs.o
CC [M] drivers/md/bcache/trace.o
CC [M] drivers/md/bcache/util.o
CC [M] drivers/md/bcache/writeback.o
LD [M] drivers/md/bcache/bcache.o
Building modules, stage 2.
MODPOST 1 modules
CC drivers/md/bcache/bcache.mod.o
LD [M] drivers/md/bcache/bcache.ko
make[1]: Leaving directory '/root/KERNEL/build'
Regards,
shenghui{.n++%ݶw{.n+{r{ay ʇڙ,jfhz_(階ݢj"mG?&~
