zfs/config/kernel-blkdev-get-by-path.m4

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dnl #
dnl # 2.6.38 API change
dnl # open_bdev_exclusive() changed to blkdev_get_by_path()
dnl # close_bdev_exclusive() changed to blkdev_put()
dnl #
AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_GET_BY_PATH], [
ZFS_CHECK_SYMBOL_EXPORT(
[blkdev_get_by_path],
[fs/block_dev.c],
[AC_DEFINE(HAVE_BLKDEV_GET_BY_PATH, 1,
[blkdev_get_by_path() is available])],
[])
])