3 files changed, 15 insertions, 0 deletions
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index 2e07da9a46f..fb1657e0fdb 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -110,6 +110,7 @@ extern int cifs_posix_open(char *full_path, struct inode **pinode,
 				struct super_block *sb,
 				int mode, int oflags,
 				__u32 *poplock, __u16 *pnetfid, int xid);
+void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr);
 extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
 				     FILE_UNIX_BASIC_INFO *info,
 				     struct cifs_sb_info *cifs_sb);
diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
index 86d3c0c82f2..391816b461c 100644
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -248,6 +248,7 @@ int cifs_posix_open(char *full_path, struct inode **pinode,
 
 	/* get new inode and set it up */
 	if (*pinode == NULL) {
+		cifs_fill_uniqueid(sb, &fattr);
 		*pinode = cifs_iget(sb, &fattr);
 		if (!*pinode) {
 			rc = -ENOMEM;
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index b0ff2529cb9..62b324f26a5 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -169,6 +169,17 @@ cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr)
 	cifs_set_ops(inode, fattr->cf_flags & CIFS_FATTR_DFS_REFERRAL);
 }
 
+void
+cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr)
+{
+	struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
+
+	if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM)
+		return;
+
+	fattr->cf_uniqueid = iunique(sb, ROOT_I);
+}
+
 /* Fill a cifs_fattr struct with info from FILE_UNIX_BASIC_INFO. */
 void
 cifs_unix_basic_to_fattr(struct cifs_fattr *fattr, FILE_UNIX_BASIC_INFO *info,
@@ -322,6 +333,7 @@ int cifs_get_inode_info_unix(struct inode **pinode,
 
 	if (*pinode == NULL) {
 		/* get new inode */
+		cifs_fill_uniqueid(sb, &fattr);
 		*pinode = cifs_iget(sb, &fattr);
 		if (!*pinode)
 			rc = -ENOMEM;
@@ -1197,6 +1209,7 @@ int cifs_mkdir(struct inode *inode, struct dentry *direntry, int mode)
 				direntry->d_op = &cifs_dentry_ops;
 
 			cifs_unix_basic_to_fattr(&fattr, pInfo, cifs_sb);
+			cifs_fill_uniqueid(inode->i_sb, &fattr);
 			newinode = cifs_iget(inode->i_sb, &fattr);
 			if (!newinode) {
 				kfree(pInfo);