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27 lines
747 B
Plaintext
27 lines
747 B
Plaintext
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dnl #
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dnl # Linux 5.16 no longer allows directly calling wait_on_page_bit, and
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dnl # instead requires you to call folio-specific functions. In this case,
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dnl # wait_on_page_bit(pg, PG_writeback) becomes
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dnl # folio_wait_bit(pg, PG_writeback)
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_PAGEMAP_FOLIO_WAIT_BIT], [
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ZFS_LINUX_TEST_SRC([pagemap_has_folio_wait_bit], [
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#include <linux/pagemap.h>
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],[
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static struct folio *f = NULL;
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folio_wait_bit(f, PG_writeback);
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_PAGEMAP_FOLIO_WAIT_BIT], [
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AC_MSG_CHECKING([folio_wait_bit() exists])
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ZFS_LINUX_TEST_RESULT([pagemap_has_folio_wait_bit], [
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AC_MSG_RESULT([yes])
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AC_DEFINE(HAVE_PAGEMAP_FOLIO_WAIT_BIT, 1,
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[folio_wait_bit() exists])
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],[
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AC_MSG_RESULT([no])
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])
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])
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