Commit f2bb8f5c authored May 25, 2011 by Josef Bacik

Btrfs: don't commit the transaction if we dont have enough pinned bytes

I noticed when running an enospc test that we would get stuck committing the
transaction in check_data_space even though we truly didn't have enough space.
So check to see if bytes_pinned is bigger than num_bytes, if it's not don't
commit the transaction. Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>

parent 3de85bb9

fs/btrfs/extent-tree.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -3089,6 +3089,13 @@ int btrfs_check_data_free_space(struct inode *inode, u64 bytes)
		}
		goto again;
		}

		/*
		* If we have less pinned bytes than we want to allocate then
		* don't bother committing the transaction, it won't help us.
		*/
		if (data_sinfo->bytes_pinned < bytes)
		committed = 1;
		spin_unlock(&data_sinfo->lock);

		/* commit the current transaction and try again */