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Put valgrind support behind CONFIG_VALGRIND

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This commit is contained in:
Kent Overstreet 2019-12-04 17:49:34 -05:00
parent ffced87f08
commit f712a866a4
3 changed files with 10 additions and 2 deletions
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1
Makefile
View File

@ -36,6 +36,7 @@ endif
ifdef D
CFLAGS+=-Werror
CFLAGS+=-DCONFIG_BCACHEFS_DEBUG=y
CFLAGS+=-DCONFIG_VALGRIND=y
endif
PKGCONFIG_LIBS="blkid uuid liburcu libsodium zlib liblz4 libzstd"

7
include/linux/bug.h
View File

@ -3,8 +3,13 @@
#include <assert.h>
#include <linux/compiler.h>
#ifdef CONFIG_VALGRIND
#include <valgrind/memcheck.h>
#define DEBUG_MEMORY_FREED(p, len) VALGRIND_MAKE_MEM_UNDEFINED(p, len)
#endif
#define BUILD_BUG_ON_NOT_POWER_OF_2(n) \
BUILD_BUG_ON((n) == 0 || (((n) & ((n) - 1)) != 0))
#define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); }))
@ -53,6 +58,4 @@
__ret_warn_on; \
})
#define DEBUG_MEMORY_FREED(p, len) VALGRIND_MAKE_MEM_UNDEFINED(p, len)
#endif /* __TOOLS_LINUX_BUG_H */

4
linux/blkdev.c
View File

@ -10,7 +10,9 @@
#include <libaio.h>
#ifdef CONFIG_VALGRIND
#include <valgrind/memcheck.h>
#endif
#include <linux/bio.h>
#include <linux/blkdev.h>
@ -57,9 +59,11 @@ void generic_make_request(struct bio *bio)
.iov_len = len,
};
#ifdef CONFIG_VALGRIND
/* To be pedantic it should only be on IO completion. */
if (bio_op(bio) == REQ_OP_READ)
VALGRIND_MAKE_MEM_DEFINED(start, len);
#endif
}
struct iocb iocb = {