1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
# dnl
# dnl 5.8 (735e4ae5ba28) introduced a superblock scoped errseq_t to use to
# dnl record writeback errors for syncfs() to return. Up until 5.17, when
# dnl sync_fs errors were returned directly, this is the only way for us to
# dnl report an error from syncfs().
# dnl
AC_DEFUN([ZFS_AC_KERNEL_SRC_SUPER_BLOCK_S_WB_ERR], [
ZFS_LINUX_TEST_SRC([super_block_s_wb_err], [
#include <linux/fs.h>
static const struct super_block
sb __attribute__ ((unused)) = {
.s_wb_err = 0,
};
],[])
])
AC_DEFUN([ZFS_AC_KERNEL_SUPER_BLOCK_S_WB_ERR], [
AC_MSG_CHECKING([whether super_block has s_wb_err])
ZFS_LINUX_TEST_RESULT([super_block_s_wb_err], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_SUPER_BLOCK_S_WB_ERR, 1,
[have super_block s_wb_err])
],[
AC_MSG_RESULT(no)
])
])
|
