diff options
Diffstat (limited to 'src/sys/include/os/vnode.h')
| -rw-r--r-- | src/sys/include/os/vnode.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/sys/include/os/vnode.h b/src/sys/include/os/vnode.h index 628ba68..77cadb2 100644 --- a/src/sys/include/os/vnode.h +++ b/src/sys/include/os/vnode.h @@ -94,10 +94,20 @@ struct vop_create_args { }; /* + * Represents attributes of a vnode + * + * @size: File size in bytes + */ +struct vattr { + size_t size; +}; + +/* * Represents operations that can be performed on * a specific vnode. These are implemented as callbacks */ struct vop { + int(*getattr)(struct vnode *vp, struct vattr *res); int(*lookup)(struct vop_lookup_args *args); int(*reclaim)(struct vnode *vp, int flags); int(*create)(struct vop_create_args *args); @@ -200,4 +210,15 @@ int vop_reclaim(struct vnode *vp, int flags); */ int vop_create(struct vnode *vp, struct nameidata *ndp); +/* + * Get the attributes of a file + * + * @vp: Vnode of file to get attributes of + * @res: Result of file to get attr of + * + * Returns zero on success, otherwise a less than + * zero value on failure + */ +int vop_getattr(struct vnode *vp, struct vattr *res); + #endif /* !_OS_VNODE_H_ */ |