configure: don't check for fiemap

fiemap has been supported since Linux 2.6.28.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Carlos Maiolino <cem@kernel.org>

diff --git a/configure.ac b/configure.ac
index 3a708c35964b55a43593cbe9bed9d717ead0cbe5..2650b71113e7cf068829f1bea39a651e076dbf5e 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -163,7 +163,6 @@ AC_PACKAGE_NEED_URCU_H
 AC_PACKAGE_NEED_RCU_INIT
 
 AC_HAVE_FALLOCATE
-AC_HAVE_FIEMAP
 AC_HAVE_PWRITEV2
 AC_HAVE_PREADV
 AC_HAVE_COPY_FILE_RANGE

diff --git a/include/builddefs.in b/include/builddefs.in
index aca6d15106ca9339103793e8ad7c830ceb7f49ab..f303118745d77583c23d3ce90d2cc483f990dd88 100644 (file)
--- a/include/builddefs.in
+++ b/include/builddefs.in
@@ -91,7 +91,6 @@ ENABLE_SCRUB  = @enable_scrub@
 HAVE_ZIPPED_MANPAGES = @have_zipped_manpages@
 
 HAVE_FALLOCATE = @have_fallocate@
-HAVE_FIEMAP = @have_fiemap@
 HAVE_PREADV = @have_preadv@
 HAVE_PWRITEV2 = @have_pwritev2@
 HAVE_COPY_FILE_RANGE = @have_copy_file_range@

diff --git a/io/Makefile b/io/Makefile
index f480272aec2dc676cd9233bf4b86246b6e370d50..2271389f5335a5f828e83527f593ccc03a01d68e 100644 (file)
--- 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 fadvise.c sendfile.c madvise.c mincore.c
+       truncate.c utimes.c fadvise.c sendfile.c madvise.c mincore.c fiemap.c
 
 LLDLIBS = $(LIBXCMD) $(LIBHANDLE) $(LIBFROG) $(LIBPTHREAD) $(LIBUUID)
 LTDEPENDENCIES = $(LIBXCMD) $(LIBHANDLE) $(LIBFROG)
 LLDFLAGS = -static-libtool-libs
 
-ifeq ($(HAVE_FIEMAP),yes)
-CFILES += fiemap.c
-LCFLAGS += -DHAVE_FIEMAP
-else
-LSRCFILES += fiemap.c
-endif
-
 ifeq ($(HAVE_COPY_FILE_RANGE),yes)
 CFILES += copy_file_range.c
 LCFLAGS += -DHAVE_COPY_FILE_RANGE

diff --git a/io/io.h b/io/io.h
index 44ada500b89f7adfd87f2e82d4403948915115fe..e7414aeaa79f323720e889d3c14d8c186c924a82 100644 (file)
--- a/io/io.h
+++ b/io/io.h
@@ -120,12 +120,7 @@ extern void                fadvise_init(void);
 extern void            sendfile_init(void);
 extern void            madvise_init(void);
 extern void            mincore_init(void);
-
-#ifdef HAVE_FIEMAP
 extern void            fiemap_init(void);
-#else
-#define fiemap_init()  do { } while (0)
-#endif
 
 #ifdef HAVE_COPY_FILE_RANGE
 extern void            copy_range_init(void);

diff --git a/m4/package_libcdev.m4 b/m4/package_libcdev.m4
index 87c294b2445f2ff7fc39d34e9e4c081cd521407c..93daf3640d06185b6f1e5ebb16c7a0962309e690 100644 (file)
--- a/m4/package_libcdev.m4
+++ b/m4/package_libcdev.m4
@@ -17,27 +17,6 @@ fallocate(0, 0, 0, 0);
     AC_SUBST(have_fallocate)
   ])
 
-#
-# Check if we have the fiemap ioctl (Linux)
-#
-AC_DEFUN([AC_HAVE_FIEMAP],
-  [ AC_MSG_CHECKING([for fiemap])
-    AC_LINK_IFELSE(
-    [  AC_LANG_PROGRAM([[
-#define _GNU_SOURCE
-#include <linux/fs.h>
-#include <linux/fiemap.h>
-#include <sys/ioctl.h>
-       ]], [[
-struct fiemap *fiemap;
-ioctl(0, FS_IOC_FIEMAP, (unsigned long)fiemap);
-       ]])
-    ], have_fiemap=yes
-       AC_MSG_RESULT(yes),
-       AC_MSG_RESULT(no))
-    AC_SUBST(have_fiemap)
-  ])
-
 #
 # Check if we have a preadv libc call (Linux)
 #