fs/tracefs/event_inode.c

40 	struct inode			*parent_inode;
97  * count is always a superset of the inode reference count.
148 static struct dentry *eventfs_root_lookup(struct inode *dir,
231 	struct inode *parent;
235 	/* Use the parent inode permissions unless root set its permissions */
249 static void set_top_events_ownership(struct inode *inode)
251 	struct tracefs_inode *ti = get_tracefs(inode);
258 	update_events_attr(ei, inode->i_sb);
261 		inode->i_uid = ei->attr.uid;
264 		inode->i_gid = ei->attr.gid;
272 	struct inode *inode = d_backing_inode(dentry);
274 	set_top_events_ownership(inode);
276 	generic_fillattr(idmap, request_mask, inode, stat);
281 			      struct inode *inode, int mask)
283 	set_top_events_ownership(inode);
284 	return generic_permission(idmap, inode, mask);
306  * the mount point inode permissions should be used.
352 		// Walk upwards until you find the events inode
360 static void update_inode_attr(struct dentry *dentry, struct inode *inode,
368 	inode->i_mode = mode;
369 	inode->i_uid = events_ei->attr.uid;
370 	inode->i_gid = events_ei->attr.gid;
376 		inode->i_mode = attr->mode & EVENTFS_MODE_MASK;
379 		inode->i_uid = attr->uid;
382 		inode->i_gid = attr->gid;
395  * directory. The inode.i_private pointer will point to @data in the open()
406 	struct inode *inode;
414 	inode = tracefs_get_inode(dentry->d_sb);
415 	if (unlikely(!inode))
419 	update_inode_attr(dentry, inode, attr, mode);
421 	inode->i_op = &eventfs_file_inode_operations;
422 	inode->i_fop = fop;
423 	inode->i_private = data;
425 	/* All files will have the same inode number */
426 	inode->i_ino = EVENTFS_FILE_INODE_INO;
428 	ti = get_tracefs(inode);
434 	d_add(dentry, inode);
451 	struct inode *inode;
453 	inode = tracefs_get_inode(dentry->d_sb);
454 	if (unlikely(!inode))
458 	update_inode_attr(dentry, inode, &ei->attr,
461 	inode->i_op = &eventfs_dir_inode_operations;
462 	inode->i_fop = &eventfs_file_operations;
464 	/* All directories will have the same inode number */
465 	inode->i_ino = eventfs_dir_ino(ei);
467 	ti = get_tracefs(inode);
474 	d_add(dentry, inode);
535  * @data: The data to use to set the inode of the file with on open()
540  * if available. The file will have the specified @mode and its inode will be
570 static struct dentry *eventfs_root_lookup(struct inode *dir,
627 	struct inode *f_inode = file_inode(file);
661 	 * inode number.
811 	struct inode *inode;
825 	inode = tracefs_get_inode(dentry->d_sb);
826 	if (unlikely(!inode))
854 	ti = get_tracefs(inode);
858 	inode->i_mode = S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO;
859 	inode->i_uid = uid;
860 	inode->i_gid = gid;
861 	inode->i_op = &eventfs_dir_inode_operations;
862 	inode->i_fop = &eventfs_file_operations;
875 	d_instantiate(dentry, inode);