1 files changed, 15 insertions, 6 deletions

diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index c50311cae1b1..ce80eeb8faa4 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -380,18 +380,27 @@ xfs_vn_rename(
         struct inode    *odir,
         struct dentry   *odentry,
         struct inode    *ndir,
-        struct dentry   *ndentry)
+        struct dentry   *ndentry,
+        unsigned int    flags)
 {
         struct inode    *new_inode = ndentry->d_inode;
+        int             omode = 0;
         struct xfs_name oname;
         struct xfs_name nname;
 
-        xfs_dentry_to_name(&oname, odentry, 0);
+        if (flags & ~(RENAME_NOREPLACE | RENAME_EXCHANGE))
+                return -EINVAL;
+
+        /* if we are exchanging files, we need to set i_mode of both files */
+        if (flags & RENAME_EXCHANGE)
+                omode = ndentry->d_inode->i_mode;
+
+        xfs_dentry_to_name(&oname, odentry, omode);
         xfs_dentry_to_name(&nname, ndentry, odentry->d_inode->i_mode);
 
         return xfs_rename(XFS_I(odir), &oname, XFS_I(odentry->d_inode),
-                          XFS_I(ndir), &nname, new_inode ?
-                                                XFS_I(new_inode) : NULL);
+                          XFS_I(ndir), &nname,
+                          new_inode ? XFS_I(new_inode) : NULL, flags);
 }
 
 /*
@@ -1144,7 +1153,7 @@ static const struct inode_operations xfs_dir_inode_operations = {
          */
         .rmdir                  = xfs_vn_unlink,
         .mknod                  = xfs_vn_mknod,
-        .rename                 = xfs_vn_rename,
+        .rename2                = xfs_vn_rename,
         .get_acl                = xfs_get_acl,
         .set_acl                = xfs_set_acl,
         .getattr                = xfs_vn_getattr,
@@ -1172,7 +1181,7 @@ static const struct inode_operations xfs_dir_ci_inode_operations = {
          */
         .rmdir                  = xfs_vn_unlink,
         .mknod                  = xfs_vn_mknod,
-        .rename                 = xfs_vn_rename,
+        .rename2                = xfs_vn_rename,
         .get_acl                = xfs_get_acl,
         .set_acl                = xfs_set_acl,
         .getattr                = xfs_vn_getattr,