Linux 5.18 compat: __set_page_dirty_nobuffers replaced with filemap_d…

…irty_folio Upstream-commit: 6b1f86f8e9c7f9de7ca1cb987b2cf25e99b1ae3a ("Merge tag 'folio-5.18b' of git://git.infradead.org/users/willy/pagecache ") Authored by: Satadru Pramanik <[email protected]> Signed-off-by: Satadru Pramanik <[email protected]> Closes: openzfs#13325
satmandu · Apr 26, 2022 · 61328ff · 61328ff
1 parent 849c14e
commit 61328ff
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diff --git a/config/kernel-vfs-filemap_dirty_folio.m4 b/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([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])
+	])
+])
diff --git a/config/kernel.m4 b/config/kernel.m4
@@ -101,6 +101,7 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_SRC], [
 	ZFS_AC_KERNEL_SRC_SET_NLINK
 	ZFS_AC_KERNEL_SRC_SGET
 	ZFS_AC_KERNEL_SRC_LSEEK_EXECUTE
+	ZFS_AC_KERNEL_SRC_VFS_FILEMAP_DIRTY_FOLIO
 	ZFS_AC_KERNEL_SRC_VFS_GETATTR
 	ZFS_AC_KERNEL_SRC_VFS_FSYNC_2ARGS
 	ZFS_AC_KERNEL_SRC_VFS_ITERATE
@@ -217,6 +218,7 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_RESULT], [
 	ZFS_AC_KERNEL_SET_NLINK
 	ZFS_AC_KERNEL_SGET
 	ZFS_AC_KERNEL_LSEEK_EXECUTE
+	ZFS_AC_KERNEL_VFS_FILEMAP_DIRTY_FOLIO
 	ZFS_AC_KERNEL_VFS_GETATTR
 	ZFS_AC_KERNEL_VFS_FSYNC_2ARGS
 	ZFS_AC_KERNEL_VFS_ITERATE

diff --git a/module/os/linux/zfs/zpl_file.c b/module/os/linux/zfs/zpl_file.c
@@ -33,9 +33,12 @@
 #include <sys/zfs_vfsops.h>
 #include <sys/zfs_vnops.h>
 #include <sys/zfs_project.h>
-#ifdef HAVE_VFS_SET_PAGE_DIRTY_NOBUFFERS
+#if defined(HAVE_VFS_SET_PAGE_DIRTY_NOBUFFERS) || defined(HAVE_VFS_FILEMAP_DIRTY_FOLIO)
 #include <linux/pagemap.h>
 #endif
+#ifdef HAVE_VFS_FILEMAP_DIRTY_FOLIO
+#include <linux/writeback.h>
+#endif
 
 /*
  * When using fallocate(2) to preallocate space, inflate the requested
@@ -1166,6 +1169,9 @@ const struct address_space_operations zpl_address_space_operations = {
 #ifdef HAVE_VFS_SET_PAGE_DIRTY_NOBUFFERS
 	.set_page_dirty = __set_page_dirty_nobuffers,
 #endif
+#ifdef HAVE_VFS_FILEMAP_DIRTY_FOLIO
+	.dirty_folio	= filemap_dirty_folio,
+#endif
 };
 
 const struct file_operations zpl_file_operations = {