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7b6e9675da
Avoids using fallback_migrate_folio, which starts unnecessary writeback (leading to BUG in migrate_folio_extra). Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Tony Hutter <hutter2@llnl.gov> Reviewed-by: Brian Atkinson <batkinson@lanl.gov> Signed-off-by: tstabrawa <59430211+tstabrawa@users.noreply.github.com> Closes #16568 Closes #16723
28 lines
699 B
Plaintext
28 lines
699 B
Plaintext
dnl #
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dnl # Linux 6.0 uses migrate_folio in lieu of migrate_page
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_VFS_MIGRATE_FOLIO], [
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ZFS_LINUX_TEST_SRC([vfs_has_migrate_folio], [
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#include <linux/fs.h>
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#include <linux/migrate.h>
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static const struct address_space_operations
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aops __attribute__ ((unused)) = {
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.migrate_folio = migrate_folio,
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};
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],[])
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])
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AC_DEFUN([ZFS_AC_KERNEL_VFS_MIGRATE_FOLIO], [
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dnl #
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dnl # Linux 6.0 uses migrate_folio in lieu of migrate_page
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dnl #
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AC_MSG_CHECKING([whether migrate_folio exists])
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ZFS_LINUX_TEST_RESULT([vfs_has_migrate_folio], [
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AC_MSG_RESULT([yes])
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AC_DEFINE(HAVE_VFS_MIGRATE_FOLIO, 1, [migrate_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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