From 9689457b5b0a2b69874c421a489d3fb50ca76b7b Mon Sep 17 00:00:00 2001
From: Shilong Wang <wangshilong1991@gmail.com>
Date: Sun, 12 Apr 2015 14:35:20 +0800
Subject: [PATCH] Btrfs: fix wrong check for btrfs_force_chunk_alloc()

btrfs_force_chunk_alloc() return 1 for allocation chunk successfully.
This problem exists since commit c87f08ca4.

With this patch, we might fix some enospc problems for balances.

Signed-off-by: Wang Shilong <wangshilong1991@gmail.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Tested-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>
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