])
])
-# LC_VFS_READDIR_U64_INO
-# 2.6.19 use u64 for inode number instead of inode_t
-AC_DEFUN([LC_VFS_READDIR_U64_INO],
-[AC_MSG_CHECKING([check vfs_readdir need 64bit inode number])
-tmp_flags="$EXTRA_KCFLAGS"
-EXTRA_KCFLAGS="-Werror"
-LB_LINUX_TRY_COMPILE([
-#include <linux/fs.h>
- int fillonedir(void * __buf, const char * name, int namlen, loff_t offset,
- u64 ino, unsigned int d_type)
- {
- return 0;
- }
-],[
- filldir_t filter;
-
- filter = fillonedir;
- return 1;
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_VFS_READDIR_U64_INO, 1,
- [if vfs_readdir need 64bit inode number])
-],[
- AC_MSG_RESULT(no)
-])
-EXTRA_KCFLAGS="$tmp_flags"
-])
-
# LC_FILE_WRITEV
# 2.6.19 replaced writev with aio_write
AC_DEFUN([LC_FILE_WRITEV],
#include <linux/crypto.h>
],[
struct crypto_blkcipher *tfm;
- tfm = crypto_alloc_blkcipher("aes", 0, 0 );
+ tfm = crypto_alloc_blkcipher("aes", 0, sizeof(tfm) );
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_ASYNC_BLOCK_CIPHER, 1, [kernel has block cipher support])
AC_DEFUN([LC_FH_TO_DENTRY],
[AC_MSG_CHECKING([if kernel has .fh_to_dentry member in export_operations struct])
LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
#ifdef HAVE_LINUX_EXPORTFS_H
#include <linux/exportfs.h>
-#else
- #include <linux/fs.h>
#endif
],[
struct export_operations exp;
-
- exp.fh_to_dentry = NULL;
+ memset(exp.fh_to_dentry, 0, sizeof(exp.fh_to_dentry));
], [
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_FH_TO_DENTRY, 1,
],[
struct proc_dir_entry pde;
- pde.deleted = NULL;
+ pde.deleted = sizeof(pde);
], [
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_PROCFS_DELETED, 1,
struct fs_struct fs;
fs.pwd = path;
+ memset(&fs, 0, sizeof(fs));
], [
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_FS_STRUCT_USE_PATH, 1,
#include <linux/bio.h>
],[
struct bio io;
- io.bi_hw_segments = 0;
+ io.bi_hw_segments = sizeof(io);
],[
AC_DEFINE(HAVE_BI_HW_SEGMENTS, 1,
[struct bio has a bi_hw_segments field])
])
#
+# 2.6.35 file_operations.fsync taken 2 arguments.
+#
+AC_DEFUN([LC_FILE_FSYNC],
+[AC_MSG_CHECKING([if file_operations.fsync taken 2 arguments])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+],[
+ ((struct file_operations *)0)->fsync(NULL, 0);
+],[
+ AC_DEFINE(HAVE_FILE_FSYNC_2ARGS, 1,
+ [file_operations.fsync taken 2 arguments])
+ AC_MSG_RESULT([yes])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+#
# 2.6.38 export blkdev_get_by_dev
#
AC_DEFUN([LC_BLKDEV_GET_BY_DEV],
])
#
+# 2.6.38 vfsmount.mnt_count doesn't use atomic_t
+#
+AC_DEFUN([LC_ATOMIC_MNT_COUNT],
+[AC_MSG_CHECKING([if vfsmount.mnt_count is atomic_t])
+LB_LINUX_TRY_COMPILE([
+ #include <asm/atomic.h>
+ #include <linux/fs.h>
+ #include <linux/mount.h>
+],[
+ ((struct vfsmount *)0)->mnt_count = ((atomic_t) { 0 });
+],[
+ AC_DEFINE(HAVE_ATOMIC_MNT_COUNT, 1,
+ [vfsmount.mnt_count is atomic_t])
+ AC_MSG_RESULT([yes])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+#
# 2.6.39 remove unplug_fn from request_queue.
#
AC_DEFUN([LC_REQUEST_QUEUE_UNPLUG_FN],
# 2.6.19
LC_INODE_BLKSIZE
- LC_VFS_READDIR_U64_INO
LC_FILE_WRITEV
LC_FILE_READV
LC_BLK_QUEUE_MAX_SEGMENTS
LC_SET_CPUS_ALLOWED
+ # 2.6.35
+ LC_FILE_FSYNC
+
# 2.6.36
LC_SBOPS_EVICT_INODE
# 2.6.38
+ LC_ATOMIC_MNT_COUNT
LC_BLKDEV_GET_BY_DEV
LC_GENERIC_PERMISSION