---

yaml --- r: 242358 b: refs/heads/master c: 4143179 h: refs/heads/master v: v3
git-mirror · Feb 23, 2011 · 648cbb6 · 648cbb6
1 parent f8960c1
commit 648cbb6
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Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0b75a840120b1e647e32342e9cc46631410088d5
+refs/heads/master: 4143179218960a70d821a425e3c23ce44aa93dee
diff --git a/trunk/fs/ext4/ioctl.c b/trunk/fs/ext4/ioctl.c
@@ -334,12 +334,16 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 	case FITRIM:
 	{
 		struct super_block *sb = inode->i_sb;
+		struct request_queue *q = bdev_get_queue(sb->s_bdev);
 		struct fstrim_range range;
 		int ret = 0;
 
 		if (!capable(CAP_SYS_ADMIN))
 			return -EPERM;
 
+		if (!blk_queue_discard(q))
+			return -EOPNOTSUPP;
+
 		if (copy_from_user(&range, (struct fstrim_range *)arg,
 		    sizeof(range)))
 			return -EFAULT;