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f2fs: avoid ENOSPC fault in the recovery process

Message ID 1463684453-77093-1-git-send-email-jaegeuk@kernel.org (mailing list archive)
State New, archived
Headers show

Commit Message

Jaegeuk Kim May 19, 2016, 7 p.m. UTC 
This patch avoids impossible error injection, ENOSPC, during recovery process.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
 fs/f2fs/recovery.c | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index f89b70e..3d7216d 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);
 			}