[TAKE-1] fs/btrfs: Return EPERM for rmdir on subvolumes and snapshots
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Message ID 1270766820-7345-1-git-send-email-harsha@gluster.com
State New, archived
Headers show

Commit Message

R Harshavardhana April 8, 2010, 10:47 p.m. UTC
None

Patch
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diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index a85b90c..465c3de 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2591,9 +2591,11 @@  static int btrfs_rmdir(struct inode *dir, struct dentry *dentry)
 	struct btrfs_trans_handle *trans;
 	unsigned long nr = 0;
 
-	if (inode->i_size > BTRFS_EMPTY_DIR_SIZE ||
-	    inode->i_ino == BTRFS_FIRST_FREE_OBJECTID)
-		return -ENOTEMPTY;
+	if (inode->i_size > BTRFS_EMPTY_DIR_SIZE) 
+                return -ENOTEMPTY;
+
+        if (inode->i_ino == BTRFS_FIRST_FREE_OBJECTID)
+		return -EPERM;
 
 	ret = btrfs_reserve_metadata_space(root, 5);
 	if (ret)