2016-10-29 08:14:16

by Ming Lei

[permalink] [raw]
Subject: [PATCH 20/60] f2fs: f2fs_read_end_io: comment on direct access to bvec table

Signed-off-by: Ming Lei <[email protected]>
---
fs/f2fs/data.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 9ae194fd2fdb..24f6f6977d37 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -35,6 +35,10 @@ static void f2fs_read_end_io(struct bio *bio)
int i;

#ifdef CONFIG_F2FS_FAULT_INJECTION
+ /*
+ * It is still safe to retrieve the 1st page of the bio
+ * in this way after supporting multipage bvec.
+ */
if (time_to_inject(F2FS_P_SB(bio->bi_io_vec->bv_page), FAULT_IO))
bio->bi_error = -EIO;
#endif
--
2.7.4