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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: [email protected]
Acked-by: Greg Kroah-Hartman <[email protected]>
Signed-off-by: "Eric W. Biederman" <[email protected]>
This commit is contained in:
Eric W. Biederman 2015-05-13 17:35:41 -05:00
commit f9bb48825a
11 changed files with 40 additions and 65 deletions
Download patch file Download diff file Expand all files Collapse all files

10
fs/configfs/mount.c
View file

@ -129,8 +129,6 @@ void configfs_release_fs(void)
}
static struct kobject *config_kobj;
static int __init configfs_init(void)
{
int err = -ENOMEM;
@ -141,8 +139,8 @@ static int __init configfs_init(void)
if (!configfs_dir_cachep)
goto out;
config_kobj = kobject_create_and_add("config", kernel_kobj);
if (!config_kobj)
err = sysfs_create_mount_point(kernel_kobj, "config");
if (err)
goto out2;
err = register_filesystem(&configfs_fs_type);
@ -152,7 +150,7 @@ static int __init configfs_init(void)
return 0;
out3:
pr_err("Unable to register filesystem!\n");
kobject_put(config_kobj);
sysfs_remove_mount_point(kernel_kobj, "config");
out2:
kmem_cache_destroy(configfs_dir_cachep);
configfs_dir_cachep = NULL;
@ -163,7 +161,7 @@ out:
static void __exit configfs_exit(void)
{
unregister_filesystem(&configfs_fs_type);
kobject_put(config_kobj);
sysfs_remove_mount_point(kernel_kobj, "config");
kmem_cache_destroy(configfs_dir_cachep);
configfs_dir_cachep = NULL;
}