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85391ee931
Sponsored-by: https://despairlabs.com/sponsor/ Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Tony Hutter <hutter2@llnl.gov> Signed-off-by: Rob Norris <robn@despairlabs.com> Closes #18077
23 lines
608 B
Plaintext
23 lines
608 B
Plaintext
dnl # SPDX-License-Identifier: CDDL-1.0
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dnl #
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dnl # 2.6.33 API change
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dnl # Discard granularity and alignment restrictions may now be set.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_DISCARD_GRANULARITY], [
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ZFS_LINUX_TEST_SRC([discard_granularity], [
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#include <linux/blkdev.h>
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],[
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struct queue_limits ql __attribute__ ((unused));
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ql.discard_granularity = 0;
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_DISCARD_GRANULARITY], [
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AC_MSG_CHECKING([whether ql->discard_granularity is available])
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ZFS_LINUX_TEST_RESULT([discard_granularity], [
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AC_MSG_RESULT(yes)
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],[
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ZFS_LINUX_TEST_ERROR([ql->discard_granularity])
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])
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])
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