fadvise has been supported since Linux 2.5.60 and glibc 2.2.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Darrick J. Wong <djwong@xxxxxxxxxx>
---
configure.ac | 1 -
include/builddefs.in | 1 -
io/Makefile | 9 +--------
io/io.h | 5 -----
m4/package_libcdev.m4 | 18 ------------------
5 files changed, 1 insertion(+), 33 deletions(-)
diff --git a/configure.ac b/configure.ac
index 012508b8e..0b94dab18 100644
--- a/configure.ac
+++ b/configure.ac
@@ -162,7 +162,6 @@ AC_PACKAGE_NEED_PTHREADMUTEXINIT
AC_PACKAGE_NEED_URCU_H
AC_PACKAGE_NEED_RCU_INIT
-AC_HAVE_FADVISE
AC_HAVE_MADVISE
AC_HAVE_MINCORE
AC_HAVE_SENDFILE
diff --git a/include/builddefs.in b/include/builddefs.in
index a00283da1..42dc23174 100644
--- a/include/builddefs.in
+++ b/include/builddefs.in
@@ -90,7 +90,6 @@ ENABLE_SCRUB = @enable_scrub@
HAVE_ZIPPED_MANPAGES = @have_zipped_manpages@
-HAVE_FADVISE = @have_fadvise@
HAVE_MADVISE = @have_madvise@
HAVE_MINCORE = @have_mincore@
HAVE_SENDFILE = @have_sendfile@
diff --git a/io/Makefile b/io/Makefile
index 53fef09e8..a8ea64010 100644
--- a/io/Makefile
+++ b/io/Makefile
@@ -13,19 +13,12 @@ CFILES = init.c \
file.c freeze.c fsuuid.c fsync.c getrusage.c imap.c inject.c label.c \
link.c mmap.c open.c parent.c pread.c prealloc.c pwrite.c reflink.c \
resblks.c scrub.c seek.c shutdown.c stat.c swapext.c sync.c \
- truncate.c utimes.c
+ truncate.c utimes.c fadvise.c
LLDLIBS = $(LIBXCMD) $(LIBHANDLE) $(LIBFROG) $(LIBPTHREAD) $(LIBUUID)
LTDEPENDENCIES = $(LIBXCMD) $(LIBHANDLE) $(LIBFROG)
LLDFLAGS = -static-libtool-libs
-ifeq ($(HAVE_FADVISE),yes)
-CFILES += fadvise.c
-LCFLAGS += -DHAVE_FADVISE
-else
-LSRCFILES += fadvise.c
-endif
-
ifeq ($(HAVE_MADVISE),yes)
CFILES += madvise.c
LCFLAGS += -DHAVE_MADVISE
diff --git a/io/io.h b/io/io.h
index fe474faf4..ad90cf3cb 100644
--- a/io/io.h
+++ b/io/io.h
@@ -116,12 +116,7 @@ extern void swapext_init(void);
extern void sync_init(void);
extern void truncate_init(void);
extern void utimes_init(void);
-
-#ifdef HAVE_FADVISE
extern void fadvise_init(void);
-#else
-#define fadvise_init() do { } while (0)
-#endif
#ifdef HAVE_SENDFILE
extern void sendfile_init(void);
diff --git a/m4/package_libcdev.m4 b/m4/package_libcdev.m4
index 5d947a024..53d19a1b6 100644
--- a/m4/package_libcdev.m4
+++ b/m4/package_libcdev.m4
@@ -1,21 +1,3 @@
-#
-# Check if we have a working fadvise system call
-#
-AC_DEFUN([AC_HAVE_FADVISE],
- [ AC_MSG_CHECKING([for fadvise ])
- AC_COMPILE_IFELSE(
- [ AC_LANG_PROGRAM([[
-#define _GNU_SOURCE
-#include <fcntl.h>
- ]], [[
-posix_fadvise(0, 1, 0, POSIX_FADV_NORMAL);
- ]])
- ], have_fadvise=yes
- AC_MSG_RESULT(yes),
- AC_MSG_RESULT(no))
- AC_SUBST(have_fadvise)
- ])
-
#
# Check if we have a working madvise system call
#
--
2.39.2
