From: Jaegeuk Kim <jaegeuk@kernel.org>
Date: Thu, 19 May 2016 18:57:21 +0000 (-0700)
Subject: f2fs: avoid ENOSPC fault in the recovery process
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=975756c41332bc5e523e9f843271ed5ab6aaaaaa;p=linux-beck.git

f2fs: avoid ENOSPC fault in the recovery process

This patch avoids impossible error injection, ENOSPC, during recovery process.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---

diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index f89b70e72004..3d7216d7a288 100644
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -470,6 +470,10 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode,
 
 			if (src == NULL_ADDR) {
 				err = reserve_new_block(&dn);
+#ifdef CONFIG_F2FS_FAULT_INJECTION
+				while (err)
+					err = reserve_new_block(&dn);
+#endif
 				/* We should not get -ENOSPC */
 				f2fs_bug_on(sbi, err);
 			}