diff options
| author | Brian Behlendorf <[email protected]> | 2022-05-27 20:44:43 +0000 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2022-06-01 14:24:49 -0700 |
| commit | fec407fb69b77b567775e214a08c74e4ba9a3d42 (patch) | |
| tree | 1f475857b51f2bdebd222260ebddf5daf0680c20 /config/kernel-vfs-read_folio.m4 | |
| parent | 7ae5ea8864d7a0cbf63feb61bd9022adc803b60d (diff) | |
Linux 5.19 compat: aops->read_folio()
As of the Linux 5.19 kernel the readpage() address space operation
has been replaced by read_folio().
Reviewed-by: Tony Hutter <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
Closes #13515
Diffstat (limited to 'config/kernel-vfs-read_folio.m4')
| -rw-r--r-- | config/kernel-vfs-read_folio.m4 | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/config/kernel-vfs-read_folio.m4 b/config/kernel-vfs-read_folio.m4 new file mode 100644 index 000000000..234d1212a --- /dev/null +++ b/config/kernel-vfs-read_folio.m4 @@ -0,0 +1,32 @@ +dnl # +dnl # Linux 5.19 uses read_folio in lieu of readpage +dnl # +AC_DEFUN([ZFS_AC_KERNEL_SRC_VFS_READ_FOLIO], [ + ZFS_LINUX_TEST_SRC([vfs_has_read_folio], [ + #include <linux/fs.h> + + static int + test_read_folio(struct file *file, struct folio *folio) { + (void) file; (void) folio; + return (0); + } + + static const struct address_space_operations + aops __attribute__ ((unused)) = { + .read_folio = test_read_folio, + }; + ],[]) +]) + +AC_DEFUN([ZFS_AC_KERNEL_VFS_READ_FOLIO], [ + dnl # + dnl # Linux 5.19 uses read_folio in lieu of readpage + dnl # + AC_MSG_CHECKING([read_folio exists]) + ZFS_LINUX_TEST_RESULT([vfs_has_read_folio], [ + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_VFS_READ_FOLIO, 1, [read_folio exists]) + ],[ + AC_MSG_RESULT([no]) + ]) +]) |