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sysfs: Create mountpoints with sysfs_create_mount_point

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This allows for better documentation in the code and
it allows for a simpler and fully correct version of
fs_fully_visible to be written.

The mount points converted and their filesystems are:
/sys/hypervisor/s390/       s390_hypfs
/sys/kernel/config/         configfs
/sys/kernel/debug/          debugfs
/sys/firmware/efi/efivars/  efivarfs
/sys/fs/fuse/connections/   fusectl
/sys/fs/pstore/             pstore
/sys/kernel/tracing/        tracefs
/sys/fs/cgroup/             cgroup
/sys/kernel/security/       securityfs
/sys/fs/selinux/            selinuxfs
/sys/fs/smackfs/            smackfs

Cc: stable@vger.kernel.org
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman
2015-05-13 17:35:41 -05:00
parent 87d2846fcf
commit f9bb48825a
11 changed files with 40 additions and 65 deletions
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11
fs/debugfs/inode.c
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@ -716,20 +716,17 @@ bool debugfs_initialized(void)
}
EXPORT_SYMBOL_GPL(debugfs_initialized);
static struct kobject *debug_kobj;
static int __init debugfs_init(void)
{
int retval;
debug_kobj = kobject_create_and_add("debug", kernel_kobj);
if (!debug_kobj)
return -EINVAL;
retval = sysfs_create_mount_point(kernel_kobj, "debug");
if (retval)
return retval;
retval = register_filesystem(&debug_fs_type);
if (retval)
kobject_put(debug_kobj);
sysfs_remove_mount_point(kernel_kobj, "debug");
else
debugfs_registered = true;