kernel-vfs-filemap_dirty_folio.m4

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    1 dnl #
    2 dnl # Linux 5.18 uses filemap_dirty_folio in lieu of
    3 dnl # ___set_page_dirty_nobuffers
    4 dnl #
    5 AC_DEFUN([ZFS_AC_KERNEL_SRC_VFS_FILEMAP_DIRTY_FOLIO], [
    6         ZFS_LINUX_TEST_SRC([vfs_has_filemap_dirty_folio], [
    7                 #include <linux/pagemap.h>
    8                 #include <linux/writeback.h>
    9 
   10                 static const struct address_space_operations
   11                     aops __attribute__ ((unused)) = {
   12                         .dirty_folio    = filemap_dirty_folio,
   13                 };
   14         ],[])
   15 ])
   16 
   17 AC_DEFUN([ZFS_AC_KERNEL_VFS_FILEMAP_DIRTY_FOLIO], [
   18         dnl #
   19         dnl # Linux 5.18 uses filemap_dirty_folio in lieu of
   20         dnl # ___set_page_dirty_nobuffers
   21         dnl #
   22         AC_MSG_CHECKING([whether filemap_dirty_folio exists])
   23         ZFS_LINUX_TEST_RESULT([vfs_has_filemap_dirty_folio], [
   24                 AC_MSG_RESULT([yes])
   25                 AC_DEFINE(HAVE_VFS_FILEMAP_DIRTY_FOLIO, 1,
   26                         [filemap_dirty_folio exists])
   27         ],[
   28                 AC_MSG_RESULT([no])
   29         ])
   30 ])

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FreeBSD/Linux Kernel Cross Reference sys/contrib/openzfs/config/kernel-vfs-filemap_dirty_folio.m4

FreeBSD/Linux Kernel Cross Reference
sys/contrib/openzfs/config/kernel-vfs-filemap_dirty_folio.m4