fs/overlayfs/inode.c

28 	struct dentry *upperdentry;
47 		upperdentry = ovl_dentry_upper(dentry);
50 			winode = d_inode(upperdentry);
81 		inode_lock(upperdentry->d_inode);
83 		err = ovl_do_notify_change(ofs, upperdentry, attr);
87 		inode_unlock(upperdentry->d_inode);
487 	struct dentry *upperdentry = ovl_dentry_upper(dentry);
488 	struct dentry *realdentry = upperdentry ?: ovl_dentry_lower(dentry);
495 	if (!acl && !upperdentry) {
510 	if (!upperdentry) {
893 	oi->__upperdentry = oip->upperdentry;
999 			   struct dentry *upperdentry,
1007 	if (!lowerdentry || !upperdentry || d_inode(lowerdentry)->i_nlink == 1)
1010 	err = ovl_getxattr_upper(ofs, upperdentry, OVL_XATTR_NLINK,
1024 	nlink = d_inode(buf[0] == 'L' ? lowerdentry : upperdentry)->i_nlink;
1034 			    upperdentry, err);
1061 			     struct dentry *upperdentry, bool strict)
1075 		if (!upperdentry && ovl_inode_upper(inode))
1089 	 * Allow non-NULL __upperdentry in inode even if upperdentry is NULL.
1092 	if (upperdentry && ovl_inode_upper(inode) != d_inode(upperdentry))
1210 	struct dentry *upperdentry = oip->upperdentry;
1212 	struct inode *realinode = upperdentry ? d_inode(upperdentry) : NULL;
1216 		.dentry = upperdentry ?: lowerdentry,
1217 		.mnt = upperdentry ? ovl_upper_mnt(ofs) : lowerpath->layer->mnt,
1219 	bool bylower = ovl_hash_bylower(sb, upperdentry, lowerdentry,
1234 	if (upperdentry || bylower) {
1236 						      upperdentry);
1247 			if (!ovl_verify_inode(inode, lowerdentry, upperdentry,
1254 			dput(upperdentry);
1263 			nlink = ovl_get_nlink(ofs, lowerdentry, upperdentry,
1280 	if (upperdentry && ovl_is_impuredir(sb, upperdentry))
1291 		if (((upperdentry && lowerdentry) || ovl_numlower(oip->oe) > 1) ||
1298 	if (upperdentry)
1299 		ovl_check_protattr(inode, upperdentry);