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config: remove HAVE_SUPER_USER_NS

Browse Source 
Sponsored-by: https://despairlabs.com/sponsor/
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Tino Reichardt <milky-zfs@mcmilk.de>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Closes #16479
This commit is contained in:
Rob Norris 2024-08-16 17:33:16 +10:00 committed by Brian Behlendorf
parent 846b598519
commit 432f6e9eec
3 changed files with 0 additions and 31 deletions
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25
config/kernel-super-userns.m4
View File

@ -1,25 +0,0 @@
dnl #
dnl # 4.8 API change
dnl # struct user_namespace was added to struct super_block as
dnl # super->s_user_ns member
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_SUPER_USER_NS], [
ZFS_LINUX_TEST_SRC([super_user_ns], [
#include <linux/fs.h>
#include <linux/user_namespace.h>
], [
struct super_block super;
super.s_user_ns = (struct user_namespace *)NULL;
])
])
AC_DEFUN([ZFS_AC_KERNEL_SUPER_USER_NS], [
AC_MSG_CHECKING([whether super_block->s_user_ns exists])
ZFS_LINUX_TEST_RESULT([super_user_ns], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_SUPER_USER_NS, 1,
[super_block->s_user_ns exists])
],[
AC_MSG_RESULT(no)
])
])

2
config/kernel.m4
View File

@ -53,7 +53,6 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_SRC], [
ZFS_AC_KERNEL_SRC_INODE_TIMES
ZFS_AC_KERNEL_SRC_RW
ZFS_AC_KERNEL_SRC_TIMER_SETUP
ZFS_AC_KERNEL_SRC_SUPER_USER_NS
ZFS_AC_KERNEL_SRC_PROC_OPERATIONS
ZFS_AC_KERNEL_SRC_BLOCK_DEVICE_OPERATIONS
ZFS_AC_KERNEL_SRC_BIO
@ -183,7 +182,6 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_RESULT], [
ZFS_AC_KERNEL_INODE_TIMES
ZFS_AC_KERNEL_RW
ZFS_AC_KERNEL_TIMER_SETUP
ZFS_AC_KERNEL_SUPER_USER_NS
ZFS_AC_KERNEL_PROC_OPERATIONS
ZFS_AC_KERNEL_BLOCK_DEVICE_OPERATIONS
ZFS_AC_KERNEL_BIO

4
include/os/linux/spl/sys/cred.h
View File

@ -63,11 +63,7 @@ zfs_is_init_userns(struct user_namespace *user_ns)
static inline struct user_namespace *zfs_i_user_ns(struct inode *inode)
{
#ifdef HAVE_SUPER_USER_NS
return (inode->i_sb->s_user_ns);
#else
return (kcred->user_ns);
#endif
}
static inline boolean_t zfs_no_idmapping(struct user_namespace *mnt_userns,