| From | Ming Lei <> | Subject | [PATCH v3 06/49] f2fs: f2fs_read_end_io: comment on direct access to bvec table | Date | Tue, 8 Aug 2017 16:45:05 +0800 |
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Cc: Jaegeuk Kim <jaegeuk@kernel.org> Cc: Chao Yu <yuchao0@huawei.com> Cc: linux-f2fs-devel@lists.sourceforge.net Signed-off-by: Ming Lei <ming.lei@redhat.com> --- fs/f2fs/data.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 87c1f4150c64..99fa8e9780e8 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -56,6 +56,10 @@ 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)) { f2fs_show_injection_info(FAULT_IO); bio->bi_status = BLK_STS_IOERR; -- 2.9.4
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