Thanks Jan Can be the patch applied? -----Original Message----- From: Jan Kara [mailto:jack@xxxxxxx] Sent: Wednesday, October 21, 2020 6:25 PM To: tianxianting (RD) <tian.xianting@xxxxxxx> Cc: tytso@xxxxxxx; adilger.kernel@xxxxxxxxx; jack@xxxxxxx; linux-ext4@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx Subject: Re: [PATCH] ext4: remove the null check of bio_vec page On Tue 20-10-20 16:22:01, Xianting Tian wrote: > bv_page can't be NULL in a valid bio_vec, so we can remove the NULL > check, as we did in other places when calling > bio_for_each_segment_all() to go through all bio_vec of a bio. > > Signed-off-by: Xianting Tian <tian.xianting@xxxxxxx> Thanks for the patch. It looks good to me. You can add: Reviewed-by: Jan Kara <jack@xxxxxxx> Honza > --- > fs/ext4/page-io.c | 3 --- > 1 file changed, 3 deletions(-) > > diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c index > defd2e10d..cb135a944 100644 > --- a/fs/ext4/page-io.c > +++ b/fs/ext4/page-io.c > @@ -111,9 +111,6 @@ static void ext4_finish_bio(struct bio *bio) > unsigned under_io = 0; > unsigned long flags; > > - if (!page) > - continue; > - > if (fscrypt_is_bounce_page(page)) { > bounce_page = page; > page = fscrypt_pagecache_page(bounce_page); > -- > 2.17.1 > -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR