diff options
Diffstat (limited to 'sys/contrib/openzfs/config/kernel-vfs-filemap_dirty_folio.m4')
| -rw-r--r-- | sys/contrib/openzfs/config/kernel-vfs-filemap_dirty_folio.m4 | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/sys/contrib/openzfs/config/kernel-vfs-filemap_dirty_folio.m4 b/sys/contrib/openzfs/config/kernel-vfs-filemap_dirty_folio.m4 new file mode 100644 index 000000000000..729ca670da03 --- /dev/null +++ b/sys/contrib/openzfs/config/kernel-vfs-filemap_dirty_folio.m4 @@ -0,0 +1,30 @@ +dnl # +dnl # Linux 5.18 uses filemap_dirty_folio in lieu of +dnl # ___set_page_dirty_nobuffers +dnl # +AC_DEFUN([ZFS_AC_KERNEL_SRC_VFS_FILEMAP_DIRTY_FOLIO], [ + ZFS_LINUX_TEST_SRC([vfs_has_filemap_dirty_folio], [ + #include <linux/pagemap.h> + #include <linux/writeback.h> + + static const struct address_space_operations + aops __attribute__ ((unused)) = { + .dirty_folio = filemap_dirty_folio, + }; + ],[]) +]) + +AC_DEFUN([ZFS_AC_KERNEL_VFS_FILEMAP_DIRTY_FOLIO], [ + dnl # + dnl # Linux 5.18 uses filemap_dirty_folio in lieu of + dnl # ___set_page_dirty_nobuffers + dnl # + AC_MSG_CHECKING([whether filemap_dirty_folio exists]) + ZFS_LINUX_TEST_RESULT([vfs_has_filemap_dirty_folio], [ + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_VFS_FILEMAP_DIRTY_FOLIO, 1, + [filemap_dirty_folio exists]) + ],[ + AC_MSG_RESULT([no]) + ]) +]) |