2022-04-27 19:54:17 +00:00
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dnl #
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dnl # Linux 5.18 uses filemap_dirty_folio in lieu of
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dnl # ___set_page_dirty_nobuffers
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_VFS_FILEMAP_DIRTY_FOLIO], [
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ZFS_LINUX_TEST_SRC([vfs_has_filemap_dirty_folio], [
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#include <linux/pagemap.h>
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#include <linux/writeback.h>
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static const struct address_space_operations
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aops __attribute__ ((unused)) = {
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.dirty_folio = filemap_dirty_folio,
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};
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],[])
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])
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AC_DEFUN([ZFS_AC_KERNEL_VFS_FILEMAP_DIRTY_FOLIO], [
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dnl #
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dnl # Linux 5.18 uses filemap_dirty_folio in lieu of
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dnl # ___set_page_dirty_nobuffers
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dnl #
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2022-05-31 23:42:49 +00:00
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AC_MSG_CHECKING([whether filemap_dirty_folio exists])
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2022-04-27 19:54:17 +00:00
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ZFS_LINUX_TEST_RESULT([vfs_has_filemap_dirty_folio], [
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AC_MSG_RESULT([yes])
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AC_DEFINE(HAVE_VFS_FILEMAP_DIRTY_FOLIO, 1,
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[filemap_dirty_folio 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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