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f2fs: make fault injection covering __submit_flush_wait() 

This patch changes to allow failure of f2fs_bio_alloc() in
__submit_flush_wait(), which can simulate flush error in checkpoint()
for covering more error paths.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu 2019-02-19 17:08:18 +08:00 committed by Jaegeuk Kim
parent aa2c8c43e4
commit dc37910d4c
1 changed files with 5 additions and 1 deletions
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6
fs/f2fs/segment.c
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@ -542,9 +542,13 @@ void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi)
static int __submit_flush_wait(struct f2fs_sb_info *sbi, static int __submit_flush_wait(struct f2fs_sb_info *sbi,
struct block_device *bdev) struct block_device *bdev)
{ {
struct bio *bio = f2fs_bio_alloc(sbi, 0, true); struct bio *bio;
int ret; int ret;
bio = f2fs_bio_alloc(sbi, 0, false);
if (!bio)
return -ENOMEM;
bio->bi_opf = REQ_OP_WRITE | REQ_SYNC | REQ_PREFLUSH; bio->bi_opf = REQ_OP_WRITE | REQ_SYNC | REQ_PREFLUSH;
bio_set_dev(bio, bdev); bio_set_dev(bio, bdev);
ret = submit_bio_wait(bio); ret = submit_bio_wait(bio);