diff options
Diffstat (limited to 'drivers/md/md.c')
| -rw-r--r-- | drivers/md/md.c | 17 |
1 files changed, 4 insertions, 13 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index fcb878f8879..d323676580a 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -194,21 +194,12 @@ void md_trim_bio(struct bio *bio, int offset, int size) if (offset == 0 && size == bio->bi_size) return; - bio->bi_sector += offset; - bio->bi_size = size; - offset <<= 9; clear_bit(BIO_SEG_VALID, &bio->bi_flags); - while (bio->bi_idx < bio->bi_vcnt && - bio->bi_io_vec[bio->bi_idx].bv_len <= offset) { - /* remove this whole bio_vec */ - offset -= bio->bi_io_vec[bio->bi_idx].bv_len; - bio->bi_idx++; - } - if (bio->bi_idx < bio->bi_vcnt) { - bio->bi_io_vec[bio->bi_idx].bv_offset += offset; - bio->bi_io_vec[bio->bi_idx].bv_len -= offset; - } + bio_advance(bio, offset << 9); + + bio->bi_size = size; + /* avoid any complications with bi_idx being non-zero*/ if (bio->bi_idx) { memmove(bio->bi_io_vec, bio->bi_io_vec+bio->bi_idx, |