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Use simple folio migration function

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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
This commit is contained in:
tstabrawa
2024-11-03 16:00:20 -06:00
committed by Brian Behlendorf
parent ae48c2f6a9
commit 661bb434e6
3 changed files with 35 additions and 0 deletions
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config/kernel-vfs-migrate_folio.m4
+27
View File
@@ -0,0 +1,27 @@
dnl #
dnl # Linux 6.0 uses migrate_folio in lieu of migrate_page
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_VFS_MIGRATE_FOLIO], [
ZFS_LINUX_TEST_SRC([vfs_has_migrate_folio], [
#include <linux/fs.h>
#include <linux/migrate.h>
static const struct address_space_operations
aops __attribute__ ((unused)) = {
.migrate_folio = migrate_folio,
};
],[])
])
AC_DEFUN([ZFS_AC_KERNEL_VFS_MIGRATE_FOLIO], [
dnl #
dnl # Linux 6.0 uses migrate_folio in lieu of migrate_page
dnl #
AC_MSG_CHECKING([whether migrate_folio exists])
ZFS_LINUX_TEST_RESULT([vfs_has_migrate_folio], [
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_VFS_MIGRATE_FOLIO, 1, [migrate_folio exists])
],[
AC_MSG_RESULT([no])
])
])
config/kernel.m4
+2
View File
@@ -77,6 +77,7 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_SRC], [
ZFS_AC_KERNEL_SRC_SGET
ZFS_AC_KERNEL_SRC_VFS_FILEMAP_DIRTY_FOLIO
ZFS_AC_KERNEL_SRC_VFS_READ_FOLIO
ZFS_AC_KERNEL_SRC_VFS_MIGRATE_FOLIO
ZFS_AC_KERNEL_SRC_VFS_FSYNC_2ARGS
ZFS_AC_KERNEL_SRC_VFS_DIRECT_IO
ZFS_AC_KERNEL_SRC_VFS_READPAGES
@@ -187,6 +188,7 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_RESULT], [
ZFS_AC_KERNEL_SGET
ZFS_AC_KERNEL_VFS_FILEMAP_DIRTY_FOLIO
ZFS_AC_KERNEL_VFS_READ_FOLIO
ZFS_AC_KERNEL_VFS_MIGRATE_FOLIO
ZFS_AC_KERNEL_VFS_FSYNC_2ARGS
ZFS_AC_KERNEL_VFS_DIRECT_IO
ZFS_AC_KERNEL_VFS_READPAGES