diff mbox

Btrfs: make sure new inode size is ok in fallocate

Message ID 1290452139-8606-1-git-send-email-josef@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Josef Bacik Nov. 22, 2010, 6:55 p.m. UTC 
None
diff mbox

Patch

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index d83f288..25a8fa2 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -6945,6 +6945,10 @@  static long btrfs_fallocate(struct inode *inode, int mode,
 	btrfs_wait_ordered_range(inode, alloc_start, alloc_end - alloc_start);
 
 	mutex_lock(&inode->i_mutex);
+	ret = inode_newsize_ok(inode, alloc_end);
+	if (ret)
+		goto out;
+
 	if (alloc_start > inode->i_size) {
 		ret = btrfs_cont_expand(inode, alloc_start);
 		if (ret)