1dnl # SPDX-License-Identifier: CDDL-1.0 2AC_DEFUN([ZFS_AC_KERNEL_SRC_WRITEPAGE_T], [ 3 dnl # 4 dnl # 6.3 API change 5 dnl # The writepage_t function type now has its first argument as 6 dnl # struct folio* instead of struct page* 7 dnl # 8 ZFS_LINUX_TEST_SRC([writepage_t_folio], [ 9 #include <linux/writeback.h> 10 static int putpage(struct folio *folio, 11 struct writeback_control *wbc, void *data) 12 { return 0; } 13 writepage_t func = putpage; 14 ],[]) 15]) 16 17AC_DEFUN([ZFS_AC_KERNEL_WRITEPAGE_T], [ 18 AC_MSG_CHECKING([whether int (*writepage_t)() takes struct folio*]) 19 ZFS_LINUX_TEST_RESULT([writepage_t_folio], [ 20 AC_MSG_RESULT(yes) 21 AC_DEFINE(HAVE_WRITEPAGE_T_FOLIO, 1, 22 [int (*writepage_t)() takes struct folio*]) 23 ],[ 24 AC_MSG_RESULT(no) 25 ]) 26]) 27 28AC_DEFUN([ZFS_AC_KERNEL_SRC_WRITE_CACHE_PAGES], [ 29 dnl # 30 dnl # 6.18 API change 31 dnl # write_cache_pages() has been removed. 32 dnl # 33 ZFS_LINUX_TEST_SRC([write_cache_pages], [ 34 #include <linux/writeback.h> 35 ], [ 36 (void) write_cache_pages(NULL, NULL, NULL, NULL); 37 ]) 38]) 39 40AC_DEFUN([ZFS_AC_KERNEL_WRITE_CACHE_PAGES], [ 41 AC_MSG_CHECKING([whether write_cache_pages() is available]) 42 ZFS_LINUX_TEST_RESULT([write_cache_pages], [ 43 AC_MSG_RESULT(yes) 44 AC_DEFINE(HAVE_WRITE_CACHE_PAGES, 1, 45 [write_cache_pages() is available]) 46 ],[ 47 AC_MSG_RESULT(no) 48 ]) 49]) 50 51AC_DEFUN([ZFS_AC_KERNEL_SRC_WRITEBACK], [ 52 ZFS_AC_KERNEL_SRC_WRITEPAGE_T 53 ZFS_AC_KERNEL_SRC_WRITE_CACHE_PAGES 54]) 55 56AC_DEFUN([ZFS_AC_KERNEL_WRITEBACK], [ 57 ZFS_AC_KERNEL_WRITEPAGE_T 58 ZFS_AC_KERNEL_WRITE_CACHE_PAGES 59]) 60