17 files changed, 78 insertions, 31 deletions

diff --git a/drivers/staging/lustre/lustre/llite/namei.c b/drivers/staging/lustre/lustre/llite/namei.c
index 2c4dc69731e8..ec824db2ad33 100644
--- a/drivers/staging/lustre/lustre/llite/namei.c
+++ b/drivers/staging/lustre/lustre/llite/namei.c
@@ -1050,13 +1050,17 @@ out:
 }
 
 static int ll_rename(struct inode *src, struct dentry *src_dchild,
-                     struct inode *tgt, struct dentry *tgt_dchild)
+                     struct inode *tgt, struct dentry *tgt_dchild,
+                     unsigned int flags)
 {
         struct ptlrpc_request *request = NULL;
         struct ll_sb_info *sbi = ll_i2sbi(src);
         struct md_op_data *op_data;
         int err;
 
+        if (flags)
+                return -EINVAL;
+
         CDEBUG(D_VFSTRACE,
                "VFS Op:oldname=%pd, src_dir="DFID"(%p), newname=%pd, tgt_dir="DFID"(%p)\n",
                src_dchild, PFID(ll_inode2fid(src)), src,
@@ -1102,7 +1106,7 @@ const struct inode_operations ll_dir_inode_operations = {
         .rmdir        = ll_rmdir,
         .symlink            = ll_symlink,
         .link          = ll_link,
-        .rename      = ll_rename,
+        .rename2        = ll_rename,
         .setattr            = ll_setattr,
         .getattr            = ll_getattr,
         .permission      = ll_inode_permission,
diff --git a/fs/9p/v9fs.h b/fs/9p/v9fs.h
index 6877050384a1..443d12e02043 100644
--- a/fs/9p/v9fs.h
+++ b/fs/9p/v9fs.h
@@ -148,7 +148,8 @@ extern struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry,
 extern int v9fs_vfs_unlink(struct inode *i, struct dentry *d);
 extern int v9fs_vfs_rmdir(struct inode *i, struct dentry *d);
 extern int v9fs_vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
-                        struct inode *new_dir, struct dentry *new_dentry);
+                           struct inode *new_dir, struct dentry *new_dentry,
+                           unsigned int flags);
 extern struct inode *v9fs_inode_from_fid(struct v9fs_session_info *v9ses,
                                          struct p9_fid *fid,
                                          struct super_block *sb, int new);
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 8b1999b528e9..50ab1a615207 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -955,7 +955,8 @@ int v9fs_vfs_rmdir(struct inode *i, struct dentry *d)
 
 int
 v9fs_vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
-                struct inode *new_dir, struct dentry *new_dentry)
+                struct inode *new_dir, struct dentry *new_dentry,
+                unsigned int flags)
 {
         int retval;
         struct inode *old_inode;
@@ -966,6 +967,9 @@ v9fs_vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
         struct p9_fid *newdirfid;
         struct p9_wstat wstat;
 
+        if (flags)
+                return -EINVAL;
+
         p9_debug(P9_DEBUG_VFS, "\n");
         retval = 0;
         old_inode = d_inode(old_dentry);
@@ -1436,7 +1440,7 @@ static const struct inode_operations v9fs_dir_inode_operations_dotu = {
         .mkdir = v9fs_vfs_mkdir,
         .rmdir = v9fs_vfs_rmdir,
         .mknod = v9fs_vfs_mknod,
-        .rename = v9fs_vfs_rename,
+        .rename2 = v9fs_vfs_rename,
         .getattr = v9fs_vfs_getattr,
         .setattr = v9fs_vfs_setattr,
 };
@@ -1449,7 +1453,7 @@ static const struct inode_operations v9fs_dir_inode_operations = {
         .mkdir = v9fs_vfs_mkdir,
         .rmdir = v9fs_vfs_rmdir,
         .mknod = v9fs_vfs_mknod,
-        .rename = v9fs_vfs_rename,
+        .rename2 = v9fs_vfs_rename,
         .getattr = v9fs_vfs_getattr,
         .setattr = v9fs_vfs_setattr,
 };
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index eeabcb0bad12..8164be972b5c 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -964,7 +964,7 @@ const struct inode_operations v9fs_dir_inode_operations_dotl = {
         .mkdir = v9fs_vfs_mkdir_dotl,
         .rmdir = v9fs_vfs_rmdir,
         .mknod = v9fs_vfs_mknod_dotl,
-        .rename = v9fs_vfs_rename,
+        .rename2 = v9fs_vfs_rename,
         .getattr = v9fs_vfs_getattr_dotl,
         .setattr = v9fs_vfs_setattr_dotl,
         .setxattr = generic_setxattr,
diff --git a/fs/afs/dir.c b/fs/afs/dir.c
index eba541004d90..381b7d0b6751 100644
--- a/fs/afs/dir.c
+++ b/fs/afs/dir.c
@@ -38,7 +38,8 @@ static int afs_link(struct dentry *from, struct inode *dir,
 static int afs_symlink(struct inode *dir, struct dentry *dentry,
                        const char *content);
 static int afs_rename(struct inode *old_dir, struct dentry *old_dentry,
-                      struct inode *new_dir, struct dentry *new_dentry);
+                      struct inode *new_dir, struct dentry *new_dentry,
+                      unsigned int flags);
 
 const struct file_operations afs_dir_file_operations = {
         .open           = afs_dir_open,
@@ -56,7 +57,7 @@ const struct inode_operations afs_dir_inode_operations = {
         .symlink        = afs_symlink,
         .mkdir          = afs_mkdir,
         .rmdir          = afs_rmdir,
-        .rename         = afs_rename,
+        .rename2        = afs_rename,
         .permission     = afs_permission,
         .getattr        = afs_getattr,
         .setattr        = afs_setattr,
@@ -1083,12 +1084,16 @@ error:
  * rename a file in an AFS filesystem and/or move it between directories
  */
 static int afs_rename(struct inode *old_dir, struct dentry *old_dentry,
-                      struct inode *new_dir, struct dentry *new_dentry)
+                      struct inode *new_dir, struct dentry *new_dentry,
+                      unsigned int flags)
 {
         struct afs_vnode *orig_dvnode, *new_dvnode, *vnode;
         struct key *key;
         int ret;
 
+        if (flags)
+                return -EINVAL;
+
         vnode = AFS_FS_I(d_inode(old_dentry));
         orig_dvnode = AFS_FS_I(old_dir);
         new_dvnode = AFS_FS_I(new_dir);
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index df4b3e6fa563..cef8252af38a 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -1061,7 +1061,8 @@ out:
 }
 
 static int ceph_rename(struct inode *old_dir, struct dentry *old_dentry,
-                       struct inode *new_dir, struct dentry *new_dentry)
+                       struct inode *new_dir, struct dentry *new_dentry,
+                       unsigned int flags)
 {
         struct ceph_fs_client *fsc = ceph_sb_to_client(old_dir->i_sb);
         struct ceph_mds_client *mdsc = fsc->mdsc;
@@ -1069,6 +1070,9 @@ static int ceph_rename(struct inode *old_dir, struct dentry *old_dentry,
         int op = CEPH_MDS_OP_RENAME;
         int err;
 
+        if (flags)
+                return -EINVAL;
+
         if (ceph_snap(old_dir) != ceph_snap(new_dir))
                 return -EXDEV;
         if (ceph_snap(old_dir) != CEPH_NOSNAP) {
@@ -1498,7 +1502,7 @@ const struct inode_operations ceph_dir_iops = {
         .link = ceph_link,
         .unlink = ceph_unlink,
         .rmdir = ceph_unlink,
-        .rename = ceph_rename,
+        .rename2 = ceph_rename,
         .create = ceph_create,
         .atomic_open = ceph_atomic_open,
 };
@@ -1509,7 +1513,7 @@ const struct inode_operations ceph_snapdir_iops = {
         .getattr = ceph_getattr,
         .mkdir = ceph_mkdir,
         .rmdir = ceph_unlink,
-        .rename = ceph_rename,
+        .rename2 = ceph_rename,
 };
 
 const struct dentry_operations ceph_dentry_ops = {
diff --git a/fs/coda/dir.c b/fs/coda/dir.c
index 6fb8672c0892..5d79c26b0484 100644
--- a/fs/coda/dir.c
+++ b/fs/coda/dir.c
@@ -291,7 +291,8 @@ static int coda_rmdir(struct inode *dir, struct dentry *de)
 
 /* rename */
 static int coda_rename(struct inode *old_dir, struct dentry *old_dentry,
-                       struct inode *new_dir, struct dentry *new_dentry)
+                       struct inode *new_dir, struct dentry *new_dentry,
+                       unsigned int flags)
 {
         const char *old_name = old_dentry->d_name.name;
         const char *new_name = new_dentry->d_name.name;
@@ -299,6 +300,9 @@ static int coda_rename(struct inode *old_dir, struct dentry *old_dentry,
         int new_length = new_dentry->d_name.len;
         int error;
 
+        if (flags)
+                return -EINVAL;
+
         error = venus_rename(old_dir->i_sb, coda_i2f(old_dir),
                              coda_i2f(new_dir), old_length, new_length,
                              (const char *) old_name, (const char *)new_name);
@@ -569,7 +573,7 @@ const struct inode_operations coda_dir_inode_operations = {
         .mkdir          = coda_mkdir,
         .rmdir          = coda_rmdir,
         .mknod          = CODA_EIO_ERROR,
-        .rename         = coda_rename,
+        .rename2        = coda_rename,
         .permission     = coda_permission,
         .getattr        = coda_getattr,
         .setattr        = coda_setattr,
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index 9d153b6a1d72..f3ff7c4d384c 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -577,7 +577,8 @@ out:
 
 static int
 ecryptfs_rename(struct inode *old_dir, struct dentry *old_dentry,
-                struct inode *new_dir, struct dentry *new_dentry)
+                struct inode *new_dir, struct dentry *new_dentry,
+                unsigned int flags)
 {
         int rc;
         struct dentry *lower_old_dentry;
@@ -587,6 +588,9 @@ ecryptfs_rename(struct inode *old_dir, struct dentry *old_dentry,
         struct dentry *trap = NULL;
         struct inode *target_inode;
 
+        if (flags)
+                return -EINVAL;
+
         lower_old_dentry = ecryptfs_dentry_to_lower(old_dentry);
         lower_new_dentry = ecryptfs_dentry_to_lower(new_dentry);
         dget(lower_old_dentry);
@@ -1104,7 +1108,7 @@ const struct inode_operations ecryptfs_dir_iops = {
         .mkdir = ecryptfs_mkdir,
         .rmdir = ecryptfs_rmdir,
         .mknod = ecryptfs_mknod,
-        .rename = ecryptfs_rename,
+        .rename2 = ecryptfs_rename,
         .permission = ecryptfs_permission,
         .setattr = ecryptfs_setattr,
         .setxattr = ecryptfs_setxattr,
diff --git a/fs/kernfs/dir.c b/fs/kernfs/dir.c
index e57174d43683..c7e23ca945ab 100644
--- a/fs/kernfs/dir.c
+++ b/fs/kernfs/dir.c
@@ -1096,13 +1096,17 @@ static int kernfs_iop_rmdir(struct inode *dir, struct dentry *dentry)
 }
 
 static int kernfs_iop_rename(struct inode *old_dir, struct dentry *old_dentry,
-                             struct inode *new_dir, struct dentry *new_dentry)
+                             struct inode *new_dir, struct dentry *new_dentry,
+                             unsigned int flags)
 {
         struct kernfs_node *kn  = old_dentry->d_fsdata;
         struct kernfs_node *new_parent = new_dir->i_private;
         struct kernfs_syscall_ops *scops = kernfs_root(kn)->syscall_ops;
         int ret;
 
+        if (flags)
+                return -EINVAL;
+
         if (!scops || !scops->rename)
                 return -EPERM;
 
@@ -1133,7 +1137,7 @@ const struct inode_operations kernfs_dir_iops = {
 
         .mkdir          = kernfs_iop_mkdir,
         .rmdir          = kernfs_iop_rmdir,
-        .rename         = kernfs_iop_rename,
+        .rename2        = kernfs_iop_rename,
 };
 
 static struct kernfs_node *kernfs_leftmost_descendant(struct kernfs_node *pos)
diff --git a/fs/ncpfs/dir.c b/fs/ncpfs/dir.c
index f5b594e2457c..a2d3738df4af 100644
--- a/fs/ncpfs/dir.c
+++ b/fs/ncpfs/dir.c
@@ -36,7 +36,7 @@ static int ncp_unlink(struct inode *, struct dentry *);
 static int ncp_mkdir(struct inode *, struct dentry *, umode_t);
 static int ncp_rmdir(struct inode *, struct dentry *);
 static int ncp_rename(struct inode *, struct dentry *,
-                      struct inode *, struct dentry *);
+                      struct inode *, struct dentry *, unsigned int);
 static int ncp_mknod(struct inode * dir, struct dentry *dentry,
                      umode_t mode, dev_t rdev);
 #if defined(CONFIG_NCPFS_EXTRAS) || defined(CONFIG_NCPFS_NFS_NS)
@@ -65,7 +65,7 @@ const struct inode_operations ncp_dir_inode_operations =
         .mkdir          = ncp_mkdir,
         .rmdir          = ncp_rmdir,
         .mknod          = ncp_mknod,
-        .rename         = ncp_rename,
+        .rename2        = ncp_rename,
         .setattr        = ncp_notify_change,
 };
 
@@ -1105,13 +1105,17 @@ static int ncp_unlink(struct inode *dir, struct dentry *dentry)
 }
 
 static int ncp_rename(struct inode *old_dir, struct dentry *old_dentry,
-                      struct inode *new_dir, struct dentry *new_dentry)
+                      struct inode *new_dir, struct dentry *new_dentry,
+                      unsigned int flags)
 {
         struct ncp_server *server = NCP_SERVER(old_dir);
         int error;
         int old_len, new_len;
         __u8 __old_name[NCP_MAXPATHLEN + 1], __new_name[NCP_MAXPATHLEN + 1];
 
+        if (flags)
+                return -EINVAL;
+
         ncp_dbg(1, "%pd2 to %pd2\n", old_dentry, new_dentry);
 
         ncp_age_dentry(server, old_dentry);
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 177fefb26c18..06e0bf092ba9 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -2013,7 +2013,8 @@ EXPORT_SYMBOL_GPL(nfs_link);
  * the rename.
  */
 int nfs_rename(struct inode *old_dir, struct dentry *old_dentry,
-                      struct inode *new_dir, struct dentry *new_dentry)
+               struct inode *new_dir, struct dentry *new_dentry,
+               unsigned int flags)
 {
         struct inode *old_inode = d_inode(old_dentry);
         struct inode *new_inode = d_inode(new_dentry);
@@ -2021,6 +2022,9 @@ int nfs_rename(struct inode *old_dir, struct dentry *old_dentry,
         struct rpc_task *task;
         int error = -EBUSY;
 
+        if (flags)
+                return -EINVAL;
+
         dfprintk(VFS, "NFS: rename(%pd2 -> %pd2, ct=%d)\n",
                  old_dentry, new_dentry,
                  d_count(new_dentry));
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 74935a19e4bf..48d1adfe25d6 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -359,7 +359,8 @@ int nfs_unlink(struct inode *, struct dentry *);
 int nfs_symlink(struct inode *, struct dentry *, const char *);
 int nfs_link(struct dentry *, struct inode *, struct dentry *);
 int nfs_mknod(struct inode *, struct dentry *, umode_t, dev_t);
-int nfs_rename(struct inode *, struct dentry *, struct inode *, struct dentry *);
+int nfs_rename(struct inode *, struct dentry *,
+               struct inode *, struct dentry *, unsigned int);
 
 /* file.c */
 int nfs_file_fsync(struct file *file, loff_t start, loff_t end, int datasync);
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c
index 698be9361280..a85fdae4a51f 100644
--- a/fs/nfs/nfs3proc.c
+++ b/fs/nfs/nfs3proc.c
@@ -893,7 +893,7 @@ static const struct inode_operations nfs3_dir_inode_operations = {
         .mkdir          = nfs_mkdir,
         .rmdir          = nfs_rmdir,
         .mknod          = nfs_mknod,
-        .rename         = nfs_rename,
+        .rename2        = nfs_rename,
         .permission     = nfs_permission,
         .getattr        = nfs_getattr,
         .setattr        = nfs_setattr,
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index a9dec32ba9ba..14956da3cf38 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -8937,7 +8937,7 @@ static const struct inode_operations nfs4_dir_inode_operations = {
         .mkdir          = nfs_mkdir,
         .rmdir          = nfs_rmdir,
         .mknod          = nfs_mknod,
-        .rename         = nfs_rename,
+        .rename2        = nfs_rename,
         .permission     = nfs_permission,
         .getattr        = nfs_getattr,
         .setattr        = nfs_setattr,
diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c
index b7bca8303989..380d0b787983 100644
--- a/fs/nfs/proc.c
+++ b/fs/nfs/proc.c
@@ -685,7 +685,7 @@ static const struct inode_operations nfs_dir_inode_operations = {
         .mkdir          = nfs_mkdir,
         .rmdir          = nfs_rmdir,
         .mknod          = nfs_mknod,
-        .rename         = nfs_rename,
+        .rename2        = nfs_rename,
         .permission     = nfs_permission,
         .getattr        = nfs_getattr,
         .setattr        = nfs_setattr,
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index a8f1225e6d9b..1040c10a9493 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -1203,7 +1203,8 @@ static void ocfs2_double_unlock(struct inode *inode1, struct inode *inode2)
 static int ocfs2_rename(struct inode *old_dir,
                         struct dentry *old_dentry,
                         struct inode *new_dir,
-                        struct dentry *new_dentry)
+                        struct dentry *new_dentry,
+                        unsigned int flags)
 {
         int status = 0, rename_lock = 0, parents_locked = 0, target_exists = 0;
         int old_child_locked = 0, new_child_locked = 0, update_dot_dot = 0;
@@ -1228,6 +1229,9 @@ static int ocfs2_rename(struct inode *old_dir,
         struct ocfs2_dir_lookup_result target_insert = { NULL, };
         bool should_add_orphan = false;
 
+        if (flags)
+                return -EINVAL;
+
         /* At some point it might be nice to break this function up a
          * bit. */
 
@@ -2909,7 +2913,7 @@ const struct inode_operations ocfs2_dir_iops = {
         .symlink        = ocfs2_symlink,
         .mkdir          = ocfs2_mkdir,
         .mknod          = ocfs2_mknod,
-        .rename         = ocfs2_rename,
+        .rename2        = ocfs2_rename,
         .setattr        = ocfs2_setattr,
         .getattr        = ocfs2_getattr,
         .permission     = ocfs2_permission,
diff --git a/fs/orangefs/namei.c b/fs/orangefs/namei.c
index 62c525936ee8..810d43635dfb 100644
--- a/fs/orangefs/namei.c
+++ b/fs/orangefs/namei.c
@@ -409,11 +409,15 @@ out:
 static int orangefs_rename(struct inode *old_dir,
                         struct dentry *old_dentry,
                         struct inode *new_dir,
-                        struct dentry *new_dentry)
+                        struct dentry *new_dentry,
+                        unsigned int flags)
 {
         struct orangefs_kernel_op_s *new_op;
         int ret;
 
+        if (flags)
+                return -EINVAL;
+
         gossip_debug(GOSSIP_NAME_DEBUG,
                      "orangefs_rename: called (%pd2 => %pd2) ct=%d\n",
                      old_dentry, new_dentry, d_count(new_dentry));
@@ -459,7 +463,7 @@ const struct inode_operations orangefs_dir_inode_operations = {
         .symlink = orangefs_symlink,
         .mkdir = orangefs_mkdir,
         .rmdir = orangefs_unlink,
-        .rename = orangefs_rename,
+        .rename2 = orangefs_rename,
         .setattr = orangefs_setattr,
         .getattr = orangefs_getattr,
         .setxattr = generic_setxattr,