1 files changed, 14 insertions, 36 deletions

diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 520a2a6d7670..ac6c96431bbc 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -207,10 +207,10 @@ out:
 	return ret;
 }
 
-int ocfs2_set_inode_size(handle_t *handle,
-			 struct inode *inode,
-			 struct buffer_head *fe_bh,
-			 u64 new_i_size)
+static int ocfs2_set_inode_size(handle_t *handle,
+				struct inode *inode,
+				struct buffer_head *fe_bh,
+				u64 new_i_size)
 {
 	int status;
 
@@ -326,6 +326,7 @@ static int ocfs2_truncate_file(struct inode *inode,
 		   (unsigned long long)OCFS2_I(inode)->ip_blkno,
 		   (unsigned long long)new_i_size);
 
+	unmap_mapping_range(inode->i_mapping, new_i_size + PAGE_SIZE - 1, 0, 1);
 	truncate_inode_pages(inode->i_mapping, new_i_size);
 
 	fe = (struct ocfs2_dinode *) di_bh->b_data;
@@ -713,7 +714,8 @@ restarted_transaction:
 	}
 
 	mlog(0, "fe: i_clusters = %u, i_size=%llu\n",
-	     fe->i_clusters, (unsigned long long)fe->i_size);
+	     le32_to_cpu(fe->i_clusters),
+	     (unsigned long long)le64_to_cpu(fe->i_size));
 	mlog(0, "inode: ip_clusters=%u, i_size=%lld\n",
 	     OCFS2_I(inode)->ip_clusters, i_size_read(inode));
 
@@ -1417,36 +1419,6 @@ out:
 	return total ? total : ret;
 }
 
-static int ocfs2_check_iovec(const struct iovec *iov, size_t *counted,
-			     unsigned long *nr_segs)
-{
-	size_t ocount;		/* original count */
-	unsigned long seg;
-
-	ocount = 0;
-	for (seg = 0; seg < *nr_segs; seg++) {
-		const struct iovec *iv = &iov[seg];
-
-		/*
-		 * If any segment has a negative length, or the cumulative
-		 * length ever wraps negative then return -EINVAL.
-		 */
-		ocount += iv->iov_len;
-		if (unlikely((ssize_t)(ocount|iv->iov_len) < 0))
-			return -EINVAL;
-		if (access_ok(VERIFY_READ, iv->iov_base, iv->iov_len))
-			continue;
-		if (seg == 0)
-			return -EFAULT;
-		*nr_segs = seg;
-		ocount -= iv->iov_len;	/* This segment is no good */
-		break;
-	}
-
-	*counted = ocount;
-	return 0;
-}
-
 static ssize_t ocfs2_file_aio_write(struct kiocb *iocb,
 				    const struct iovec *iov,
 				    unsigned long nr_segs,
@@ -1469,7 +1441,7 @@ static ssize_t ocfs2_file_aio_write(struct kiocb *iocb,
 	if (iocb->ki_left == 0)
 		return 0;
 
-	ret = ocfs2_check_iovec(iov, &ocount, &nr_segs);
+	ret = generic_segment_checks(iov, &nr_segs, &ocount, VERIFY_READ);
 	if (ret)
 		return ret;
 
@@ -1853,6 +1825,9 @@ const struct file_operations ocfs2_fops = {
 	.aio_read	= ocfs2_file_aio_read,
 	.aio_write	= ocfs2_file_aio_write,
 	.ioctl		= ocfs2_ioctl,
+#ifdef CONFIG_COMPAT
+	.compat_ioctl   = ocfs2_compat_ioctl,
+#endif
 	.splice_read	= ocfs2_file_splice_read,
 	.splice_write	= ocfs2_file_splice_write,
 };
@@ -1862,4 +1837,7 @@ const struct file_operations ocfs2_dops = {
 	.readdir	= ocfs2_readdir,
 	.fsync		= ocfs2_sync_file,
 	.ioctl		= ocfs2_ioctl,
+#ifdef CONFIG_COMPAT
+	.compat_ioctl   = ocfs2_compat_ioctl,
+#endif
 };