dnl # dnl # Linux 2.6.x - 2.6.34 API dnl # AC_DEFUN([ZFS_AC_KERNEL_FSYNC_WITH_DENTRY], [ ZFS_LINUX_TRY_COMPILE([ #include <linux/fs.h> int test_fsync(struct file *f, struct dentry *dentry, int x) { return 0; } static const struct file_operations fops __attribute__ ((unused)) = { .fsync = test_fsync, }; ],[ ],[ AC_MSG_RESULT([dentry]) AC_DEFINE(HAVE_FSYNC_WITH_DENTRY, 1, [fops->fsync() with dentry]) ],[ ]) ]) dnl # dnl # Linux 2.6.35 - Linux 3.0 API dnl # AC_DEFUN([ZFS_AC_KERNEL_FSYNC_WITHOUT_DENTRY], [ ZFS_LINUX_TRY_COMPILE([ #include <linux/fs.h> int test_fsync(struct file *f, int x) { return 0; } static const struct file_operations fops __attribute__ ((unused)) = { .fsync = test_fsync, }; ],[ ],[ AC_MSG_RESULT([no dentry]) AC_DEFINE(HAVE_FSYNC_WITHOUT_DENTRY, 1, [fops->fsync() without dentry]) ],[ ]) ]) dnl # dnl # Linux 3.1 - 3.x API dnl # AC_DEFUN([ZFS_AC_KERNEL_FSYNC_RANGE], [ ZFS_LINUX_TRY_COMPILE([ #include <linux/fs.h> int test_fsync(struct file *f, loff_t a, loff_t b, int c) { return 0; } static const struct file_operations fops __attribute__ ((unused)) = { .fsync = test_fsync, }; ],[ ],[ AC_MSG_RESULT([range]) AC_DEFINE(HAVE_FSYNC_RANGE, 1, [fops->fsync() with range]) ],[ ]) ]) AC_DEFUN([ZFS_AC_KERNEL_FSYNC], [ AC_MSG_CHECKING([whether fops->fsync() wants]) ZFS_AC_KERNEL_FSYNC_WITH_DENTRY ZFS_AC_KERNEL_FSYNC_WITHOUT_DENTRY ZFS_AC_KERNEL_FSYNC_RANGE ])