commit cb78942b821380913e6810375c9ce72858e64c4f
author Jaegeuk Kim <jaegeuk@kernel.org> Fri Apr 29 16:29:22 2016 -0700
committer Jaegeuk Kim <jaegeuk@kernel.org> Sat May 07 10:32:24 2016 -0700
tree 1106e5e49216f247f4c373192c71a382b9065fe0
parent c41f3cc3ae34acdbcec328084b4b74f686c02f0d

f2fs: inject ENOSPC failures

This patch injects ENOSPC failures.

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

fs/f2fs/node.c

diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index af010f5..78b98db 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1838,6 +1838,10 @@
 	struct f2fs_nm_info *nm_i = NM_I(sbi);
 	struct free_nid *i = NULL;
 retry:
+#ifdef CONFIG_F2FS_FAULT_INJECTION
+	if (time_to_inject(FAULT_ALLOC_NID))
+		return false;
+#endif
 	if (unlikely(sbi->total_valid_node_count + 1 > nm_i->available_nids))
 		return false;