On Tue, 11 Sep 2012 14:31:14 -0700, Kent Overstreet wrote: > For immutable bio vecs, I've been auditing and removing bi_idx > references. These were harmless, but removing them will make auditing > easier. > > scrub_bio_end_io_worker() was open coding a bio_reset() - but this > doesn't appear to have been needed for anything as right after it does a > bio_put(), and perusing the code it doesn't appear anything else was > holding a reference to the bio. > > The other use end_bio_extent_readpage() was just for a pr_debug() - > changed it to something that might be a bit more useful. > > Signed-off-by: Kent Overstreet <koverstreet@xxxxxxxxxx> > CC: Chris Mason <chris.mason@xxxxxxxxxxxx> > CC: Stefan Behrens <sbehrens@xxxxxxxxxxxxxxxx> > --- > fs/btrfs/extent_io.c | 4 ++-- > fs/btrfs/scrub.c | 15 --------------- > 2 files changed, 2 insertions(+), 17 deletions(-) > > diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c > index 4c87847..8d7fb96 100644 > --- a/fs/btrfs/extent_io.c > +++ b/fs/btrfs/extent_io.c > @@ -2298,8 +2298,8 @@ static void end_bio_extent_readpage(struct bio *bio, int err) > struct extent_state *cached = NULL; > struct extent_state *state; > > - pr_debug("end_bio_extent_readpage: bi_vcnt=%d, idx=%d, err=%d, " > - "mirror=%ld\n", bio->bi_vcnt, bio->bi_idx, err, > + pr_debug("end_bio_extent_readpage: bi_sector=%llu, err=%d, " > + "mirror=%ld\n", (u64)bio->bi_sector, err, > (long int)bio->bi_bdev); > tree = &BTRFS_I(page->mapping->host)->io_tree; > > diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c > index b223620..2683ea7 100644 > --- a/fs/btrfs/scrub.c > +++ b/fs/btrfs/scrub.c > @@ -1666,21 +1666,6 @@ static void scrub_bio_end_io_worker(struct btrfs_work *work) > scrub_block_put(sblock); > } > > - if (sbio->err) { > - /* what is this good for??? */ > - sbio->bio->bi_flags &= ~(BIO_POOL_MASK - 1); > - sbio->bio->bi_flags |= 1 << BIO_UPTODATE; > - sbio->bio->bi_phys_segments = 0; > - sbio->bio->bi_idx = 0; > - > - for (i = 0; i < sbio->page_count; i++) { > - struct bio_vec *bi; > - bi = &sbio->bio->bi_io_vec[i]; > - bi->bv_offset = 0; > - bi->bv_len = PAGE_SIZE; > - } > - } > - > bio_put(sbio->bio); > sbio->bio = NULL; > spin_lock(&sdev->list_lock); > Yes, it is correct to remove these lines in the btrfs scrub code. They are a relict from the past. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel