From: Miklos Szeredi The overlay filesystem uses dummy inodes for non-directories. Allow rename to work in this case despite the inode being the same. Signed-off-by: Miklos Szeredi --- fs/namei.c | 4 +++- include/linux/fs.h | 1 + 2 files changed, 4 insertions(+), 1 deletion(-) Index: linux-2.6/include/linux/fs.h =================================================================== --- linux-2.6.orig/include/linux/fs.h 2010-08-25 14:19:34.000000000 +0200 +++ linux-2.6/include/linux/fs.h 2010-08-25 14:19:53.000000000 +0200 @@ -179,6 +179,7 @@ struct inodes_stat_t { #define FS_RENAME_DOES_D_MOVE 32768 /* FS will handle d_move() * during rename() internally. */ +#define FS_RENAME_SELF_ALLOW 65536 /* Allow rename to same inode */ /* * These are the fs-independent mount-flags: up to 32 flags are supported Index: linux-2.6/fs/namei.c =================================================================== --- linux-2.6.orig/fs/namei.c 2010-08-25 10:19:53.000000000 +0200 +++ linux-2.6/fs/namei.c 2010-08-25 14:22:56.000000000 +0200 @@ -2620,8 +2620,10 @@ int vfs_rename(struct inode *old_dir, st int is_dir = S_ISDIR(old_dentry->d_inode->i_mode); const unsigned char *old_name; - if (old_dentry->d_inode == new_dentry->d_inode) + if (old_dentry->d_inode == new_dentry->d_inode && + !(old_dir->i_sb->s_type->fs_flags & FS_RENAME_SELF_ALLOW)) { return 0; + } error = may_delete(old_dir, old_dentry, is_dir); if (error) -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/