19 lines
545 B
Text
19 lines
545 B
Text
dnl #
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dnl # 2.6.38 API change
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dnl # open_bdev_exclusive() changed to blkdev_get_by_path()
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dnl # close_bdev_exclusive() changed to blkdev_put()
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_GET_BY_PATH],
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[AC_MSG_CHECKING([whether blkdev_get_by_path() is available])
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ZFS_LINUX_TRY_COMPILE_SYMBOL([
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#include <linux/fs.h>
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], [
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blkdev_get_by_path(NULL, 0, NULL);
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], [blkdev_get_by_path], [fs/block_dev.c], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_BLKDEV_GET_BY_PATH, 1,
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[blkdev_get_by_path() is available])
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], [
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AC_MSG_RESULT(no)
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])
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])
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