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c9c0d073da
Add autoconf style build infrastructure to the ZFS tree. This includes autogen.sh, configure.ac, m4 macros, some scripts/*, and makefiles for all the core ZFS components.
23 lines
681 B
Plaintext
23 lines
681 B
Plaintext
dnl #
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dnl # 2.6.30 API change
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dnl # bdev_hardsect_size() replaced with bdev_logical_block_size(). While
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dnl # it has been true for a while that there was no strict 1:1 mapping
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dnl # between physical sector size and logical block size this change makes
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dnl # it explicit.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_BDEV_LOGICAL_BLOCK_SIZE], [
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AC_MSG_CHECKING([whether bdev_logical_block_size() is available])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/blkdev.h>
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],[
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struct block_device *bdev = NULL;
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bdev_logical_block_size(bdev);
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],[
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_BDEV_LOGICAL_BLOCK_SIZE, 1,
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[bdev_logical_block_size() 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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