diff options
Diffstat (limited to 'drivers/block/drbd/drbd_nl.c')
| -rw-r--r-- | drivers/block/drbd/drbd_nl.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index 93d150661f4b..28ef76bd5230 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -2215,9 +2215,9 @@ void drbd_bcast_ee(struct drbd_conf *mdev, { struct cn_msg *cn_reply; struct drbd_nl_cfg_reply *reply; - struct bio_vec *bvec; unsigned short *tl; - int i; + struct page *page; + unsigned len; if (!e) return; @@ -2255,11 +2255,15 @@ void drbd_bcast_ee(struct drbd_conf *mdev, put_unaligned(T_ee_data, tl++); put_unaligned(e->size, tl++); - __bio_for_each_segment(bvec, e->private_bio, i, 0) { - void *d = kmap(bvec->bv_page); - memcpy(tl, d + bvec->bv_offset, bvec->bv_len); - kunmap(bvec->bv_page); - tl=(unsigned short*)((char*)tl + bvec->bv_len); + len = e->size; + page = e->pages; + page_chain_for_each(page) { + void *d = kmap_atomic(page, KM_USER0); + unsigned l = min_t(unsigned, len, PAGE_SIZE); + memcpy(tl, d, l); + kunmap_atomic(d, KM_USER0); + tl = (unsigned short*)((char*)tl + l); + len -= l; } put_unaligned(TT_END, tl++); /* Close the tag list */ |