commit 324105775c1982aacbd2972b7024d8cc06474abe
author Chao Yu <chao@kernel.org> Mon Aug 09 08:24:48 2021 +0800
committer Jaegeuk Kim <jaegeuk@kernel.org> Tue Aug 17 11:59:05 2021 -0700
tree aed4271a090d9f97d9e3f9005c375b04ea523393
parent 4a4fc043f594d39edc976a3a3dce7c40ebb86f3f

f2fs: support fault injection for f2fs_kmem_cache_alloc()

This patch supports to inject fault into f2fs_kmem_cache_alloc().

Usage:
a) echo 32768 > /sys/fs/f2fs/<dev>/inject_type or
b) mount -o fault_type=32768 <dev> <mountpoint>

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

fs/f2fs/data.c

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index cec0848..12cd636 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -724,7 +724,7 @@ static void add_bio_entry(struct f2fs_sb_info *sbi, struct bio *bio,
 	struct f2fs_bio_info *io = sbi->write_io[DATA] + temp;
 	struct bio_entry *be;
 
-	be = f2fs_kmem_cache_alloc(bio_entry_slab, GFP_NOFS);
+	be = f2fs_kmem_cache_alloc(bio_entry_slab, GFP_NOFS, true, NULL);
 	be->bio = bio;
 	bio_get(bio);