diff options
Diffstat (limited to 'Documentation/filesystems')
| -rw-r--r-- | Documentation/filesystems/sysfs-tagging.txt | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/Documentation/filesystems/sysfs-tagging.txt b/Documentation/filesystems/sysfs-tagging.txt index eb843e49c5a3..c7c8e6438958 100644 --- a/Documentation/filesystems/sysfs-tagging.txt +++ b/Documentation/filesystems/sysfs-tagging.txt @@ -17,13 +17,13 @@ the sysfs directory entries we ensure that we don't have conflicts in the directories and applications only see a limited set of the network devices. -Each sysfs directory entry may be tagged with zero or one -namespaces. A sysfs_dirent is augmented with a void *s_ns. If a -directory entry is tagged, then sysfs_dirent->s_flags will have a -flag between KOBJ_NS_TYPE_NONE and KOBJ_NS_TYPES, and s_ns will -point to the namespace to which it belongs. +Each sysfs directory entry may be tagged with a namespace via the +void *ns member of its kernfs_node. If a directory entry is tagged, +then kernfs_node->flags will have a flag between KOBJ_NS_TYPE_NONE +and KOBJ_NS_TYPES, and ns will point to the namespace to which it +belongs. -Each sysfs superblock's sysfs_super_info contains an array void +Each sysfs superblock's kernfs_super_info contains an array void *ns[KOBJ_NS_TYPES]. When a task in a tagging namespace kobj_nstype first mounts sysfs, a new superblock is created. It will be differentiated from other sysfs mounts by having its @@ -31,7 +31,7 @@ s_fs_info->ns[kobj_nstype] set to the new namespace. Note that through bind mounting and mounts propagation, a task can easily view the contents of other namespaces' sysfs mounts. Therefore, when a namespace exits, it will call kobj_ns_exit() to invalidate any -sysfs_dirent->s_ns pointers pointing to it. +kernfs_node->ns pointers pointing to it. Users of this interface: - define a type in the kobj_ns_type enumeration. |