diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/internal.h | 1 | ||||
| -rw-r--r-- | fs/pidfs.c | 11 |
2 files changed, 12 insertions, 0 deletions
diff --git a/fs/internal.h b/fs/internal.h index 22ba066d1dba..ad256bccdc85 100644 --- a/fs/internal.h +++ b/fs/internal.h @@ -353,3 +353,4 @@ int anon_inode_getattr(struct mnt_idmap *idmap, const struct path *path, unsigned int query_flags); int anon_inode_setattr(struct mnt_idmap *idmap, struct dentry *dentry, struct iattr *attr); +void pidfs_get_root(struct path *path); diff --git a/fs/pidfs.c b/fs/pidfs.c index 47f5f9e0bdff..4fc7a7f4a3fe 100644 --- a/fs/pidfs.c +++ b/fs/pidfs.c @@ -31,6 +31,14 @@ static struct kmem_cache *pidfs_attr_cachep __ro_after_init; static struct kmem_cache *pidfs_xattr_cachep __ro_after_init; +static struct path pidfs_root_path = {}; + +void pidfs_get_root(struct path *path) +{ + *path = pidfs_root_path; + path_get(path); +} + /* * Stashes information that userspace needs to access even after the * process has been reaped. @@ -1068,4 +1076,7 @@ void __init pidfs_init(void) pidfs_mnt = kern_mount(&pidfs_type); if (IS_ERR(pidfs_mnt)) panic("Failed to mount pidfs pseudo filesystem"); + + pidfs_root_path.mnt = pidfs_mnt; + pidfs_root_path.dentry = pidfs_mnt->mnt_root; } |