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authorKent Overstreet <kmo@daterainc.com>2013-10-11 15:44:27 -0700
committerKent Overstreet <kmo@daterainc.com>2013-11-23 22:33:47 -0800
commit4f024f3797c43cb4b73cd2c50cec728842d0e49e (patch)
tree3aedcab02d2ad723a189d01934d1e94fec7a54e1 /drivers/block
parented9c47bebeeea4a468b07cfd745c690190f8014c (diff)
downloadop-kernel-dev-4f024f3797c43cb4b73cd2c50cec728842d0e49e.zip
op-kernel-dev-4f024f3797c43cb4b73cd2c50cec728842d0e49e.tar.gz
block: Abstract out bvec iterator
Immutable biovecs are going to require an explicit iterator. To implement immutable bvecs, a later patch is going to add a bi_bvec_done member to this struct; for now, this patch effectively just renames things. Signed-off-by: Kent Overstreet <kmo@daterainc.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: "Ed L. Cashin" <ecashin@coraid.com> Cc: Nick Piggin <npiggin@kernel.dk> Cc: Lars Ellenberg <drbd-dev@lists.linbit.com> Cc: Jiri Kosina <jkosina@suse.cz> Cc: Matthew Wilcox <willy@linux.intel.com> Cc: Geoff Levand <geoff@infradead.org> Cc: Yehuda Sadeh <yehuda@inktank.com> Cc: Sage Weil <sage@inktank.com> Cc: Alex Elder <elder@inktank.com> Cc: ceph-devel@vger.kernel.org Cc: Joshua Morris <josh.h.morris@us.ibm.com> Cc: Philip Kelleher <pjk1939@linux.vnet.ibm.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: "Michael S. Tsirkin" <mst@redhat.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Neil Brown <neilb@suse.de> Cc: Alasdair Kergon <agk@redhat.com> Cc: Mike Snitzer <snitzer@redhat.com> Cc: dm-devel@redhat.com Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: linux390@de.ibm.com Cc: Boaz Harrosh <bharrosh@panasas.com> Cc: Benny Halevy <bhalevy@tonian.com> Cc: "James E.J. Bottomley" <JBottomley@parallels.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: "Nicholas A. Bellinger" <nab@linux-iscsi.org> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Chris Mason <chris.mason@fusionio.com> Cc: "Theodore Ts'o" <tytso@mit.edu> Cc: Andreas Dilger <adilger.kernel@dilger.ca> Cc: Jaegeuk Kim <jaegeuk.kim@samsung.com> Cc: Steven Whitehouse <swhiteho@redhat.com> Cc: Dave Kleikamp <shaggy@kernel.org> Cc: Joern Engel <joern@logfs.org> Cc: Prasad Joshi <prasadjoshi.linux@gmail.com> Cc: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: KONISHI Ryusuke <konishi.ryusuke@lab.ntt.co.jp> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Ben Myers <bpm@sgi.com> Cc: xfs@oss.sgi.com Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Len Brown <len.brown@intel.com> Cc: Pavel Machek <pavel@ucw.cz> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com> Cc: Ben Hutchings <ben@decadent.org.uk> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Guo Chao <yan@linux.vnet.ibm.com> Cc: Tejun Heo <tj@kernel.org> Cc: Asai Thambi S P <asamymuthupa@micron.com> Cc: Selvan Mani <smani@micron.com> Cc: Sam Bradshaw <sbradshaw@micron.com> Cc: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Cc: "Roger Pau Monné" <roger.pau@citrix.com> Cc: Jan Beulich <jbeulich@suse.com> Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Cc: Ian Campbell <Ian.Campbell@citrix.com> Cc: Sebastian Ott <sebott@linux.vnet.ibm.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Minchan Kim <minchan@kernel.org> Cc: Jiang Liu <jiang.liu@huawei.com> Cc: Nitin Gupta <ngupta@vflare.org> Cc: Jerome Marchand <jmarchand@redhat.com> Cc: Joe Perches <joe@perches.com> Cc: Peng Tao <tao.peng@emc.com> Cc: Andy Adamson <andros@netapp.com> Cc: fanchaoting <fanchaoting@cn.fujitsu.com> Cc: Jie Liu <jeff.liu@oracle.com> Cc: Sunil Mushran <sunil.mushran@gmail.com> Cc: "Martin K. Petersen" <martin.petersen@oracle.com> Cc: Namjae Jeon <namjae.jeon@samsung.com> Cc: Pankaj Kumar <pankaj.km@samsung.com> Cc: Dan Magenheimer <dan.magenheimer@oracle.com> Cc: Mel Gorman <mgorman@suse.de>6
Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/aoe/aoecmd.c6
-rw-r--r--drivers/block/brd.c4
-rw-r--r--drivers/block/drbd/drbd_actlog.c2
-rw-r--r--drivers/block/drbd/drbd_bitmap.c2
-rw-r--r--drivers/block/drbd/drbd_receiver.c6
-rw-r--r--drivers/block/drbd/drbd_req.c6
-rw-r--r--drivers/block/drbd/drbd_req.h2
-rw-r--r--drivers/block/floppy.c4
-rw-r--r--drivers/block/loop.c4
-rw-r--r--drivers/block/mtip32xx/mtip32xx.c7
-rw-r--r--drivers/block/nvme-core.c25
-rw-r--r--drivers/block/pktcdvd.c54
-rw-r--r--drivers/block/ps3disk.c2
-rw-r--r--drivers/block/ps3vram.c2
-rw-r--r--drivers/block/rbd.c21
-rw-r--r--drivers/block/rsxx/dev.c6
-rw-r--r--drivers/block/rsxx/dma.c4
-rw-r--r--drivers/block/umem.c9
-rw-r--r--drivers/block/xen-blkback/blkback.c2
-rw-r--r--drivers/block/xen-blkfront.c2
20 files changed, 89 insertions, 81 deletions
diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index d251543..877ba11 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -929,8 +929,8 @@ bufinit(struct buf *buf, struct request *rq, struct bio *bio)
memset(buf, 0, sizeof(*buf));
buf->rq = rq;
buf->bio = bio;
- buf->resid = bio->bi_size;
- buf->sector = bio->bi_sector;
+ buf->resid = bio->bi_iter.bi_size;
+ buf->sector = bio->bi_iter.bi_sector;
bio_pageinc(bio);
buf->bv = bio_iovec(bio);
buf->bv_resid = buf->bv->bv_len;
@@ -1152,7 +1152,7 @@ aoe_end_request(struct aoedev *d, struct request *rq, int fastfail)
do {
bio = rq->bio;
bok = !fastfail && test_bit(BIO_UPTODATE, &bio->bi_flags);
- } while (__blk_end_request(rq, bok ? 0 : -EIO, bio->bi_size));
+ } while (__blk_end_request(rq, bok ? 0 : -EIO, bio->bi_iter.bi_size));
/* cf. http://lkml.org/lkml/2006/10/31/28 */
if (!fastfail)
diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index d91f1a5..66f5aaa 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -333,13 +333,13 @@ static void brd_make_request(struct request_queue *q, struct bio *bio)
int i;
int err = -EIO;
- sector = bio->bi_sector;
+ sector = bio->bi_iter.bi_sector;
if (bio_end_sector(bio) > get_capacity(bdev->bd_disk))
goto out;
if (unlikely(bio->bi_rw & REQ_DISCARD)) {
err = 0;
- discard_from_brd(brd, sector, bio->bi_size);
+ discard_from_brd(brd, sector, bio->bi_iter.bi_size);
goto out;
}
diff --git a/drivers/block/drbd/drbd_actlog.c b/drivers/block/drbd/drbd_actlog.c
index 28c73ca..a9b13f2 100644
--- a/drivers/block/drbd/drbd_actlog.c
+++ b/drivers/block/drbd/drbd_actlog.c
@@ -159,7 +159,7 @@ static int _drbd_md_sync_page_io(struct drbd_conf *mdev,
bio = bio_alloc_drbd(GFP_NOIO);
bio->bi_bdev = bdev->md_bdev;
- bio->bi_sector = sector;
+ bio->bi_iter.bi_sector = sector;
err = -EIO;
if (bio_add_page(bio, page, size, 0) != size)
goto out;
diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c
index b12c11e..597f111 100644
--- a/drivers/block/drbd/drbd_bitmap.c
+++ b/drivers/block/drbd/drbd_bitmap.c
@@ -1028,7 +1028,7 @@ static void bm_page_io_async(struct bm_aio_ctx *ctx, int page_nr, int rw) __must
} else
page = b->bm_pages[page_nr];
bio->bi_bdev = mdev->ldev->md_bdev;
- bio->bi_sector = on_disk_sector;
+ bio->bi_iter.bi_sector = on_disk_sector;
/* bio_add_page of a single page to an empty bio will always succeed,
* according to api. Do we want to assert that? */
bio_add_page(bio, page, len, 0);
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 6fa6673..5326c22 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -1333,7 +1333,7 @@ next_bio:
goto fail;
}
/* > peer_req->i.sector, unless this is the first bio */
- bio->bi_sector = sector;
+ bio->bi_iter.bi_sector = sector;
bio->bi_bdev = mdev->ldev->backing_bdev;
bio->bi_rw = rw;
bio->bi_private = peer_req;
@@ -1353,7 +1353,7 @@ next_bio:
dev_err(DEV,
"bio_add_page failed for len=%u, "
"bi_vcnt=0 (bi_sector=%llu)\n",
- len, (unsigned long long)bio->bi_sector);
+ len, (uint64_t)bio->bi_iter.bi_sector);
err = -ENOSPC;
goto fail;
}
@@ -1615,7 +1615,7 @@ static int recv_dless_read(struct drbd_conf *mdev, struct drbd_request *req,
mdev->recv_cnt += data_size>>9;
bio = req->master_bio;
- D_ASSERT(sector == bio->bi_sector);
+ D_ASSERT(sector == bio->bi_iter.bi_sector);
bio_for_each_segment(bvec, bio, i) {
void *mapped = kmap(bvec->bv_page) + bvec->bv_offset;
diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c
index fec7bef..104a040 100644
--- a/drivers/block/drbd/drbd_req.c
+++ b/drivers/block/drbd/drbd_req.c
@@ -77,8 +77,8 @@ static struct drbd_request *drbd_req_new(struct drbd_conf *mdev,
req->epoch = 0;
drbd_clear_interval(&req->i);
- req->i.sector = bio_src->bi_sector;
- req->i.size = bio_src->bi_size;
+ req->i.sector = bio_src->bi_iter.bi_sector;
+ req->i.size = bio_src->bi_iter.bi_size;
req->i.local = true;
req->i.waiting = false;
@@ -1280,7 +1280,7 @@ void drbd_make_request(struct request_queue *q, struct bio *bio)
/*
* what we "blindly" assume:
*/
- D_ASSERT(IS_ALIGNED(bio->bi_size, 512));
+ D_ASSERT(IS_ALIGNED(bio->bi_iter.bi_size, 512));
inc_ap_bio(mdev);
__drbd_make_request(mdev, bio, start_time);
diff --git a/drivers/block/drbd/drbd_req.h b/drivers/block/drbd/drbd_req.h
index 978cb1a..28e15d9 100644
--- a/drivers/block/drbd/drbd_req.h
+++ b/drivers/block/drbd/drbd_req.h
@@ -269,7 +269,7 @@ static inline void drbd_req_make_private_bio(struct drbd_request *req, struct bi
/* Short lived temporary struct on the stack.
* We could squirrel the error to be returned into
- * bio->bi_size, or similar. But that would be too ugly. */
+ * bio->bi_iter.bi_size, or similar. But that would be too ugly. */
struct bio_and_error {
struct bio *bio;
int error;
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 000abe2..6a86fe7 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -3775,9 +3775,9 @@ static int __floppy_read_block_0(struct block_device *bdev)
bio_vec.bv_len = size;
bio_vec.bv_offset = 0;
bio.bi_vcnt = 1;
- bio.bi_size = size;
+ bio.bi_iter.bi_size = size;
bio.bi_bdev = bdev;
- bio.bi_sector = 0;
+ bio.bi_iter.bi_sector = 0;
bio.bi_flags = (1 << BIO_QUIET);
init_completion(&complete);
bio.bi_private = &complete;
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index c8dac73..f5e3998 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -415,7 +415,7 @@ static int do_bio_filebacked(struct loop_device *lo, struct bio *bio)
loff_t pos;
int ret;
- pos = ((loff_t) bio->bi_sector << 9) + lo->lo_offset;
+ pos = ((loff_t) bio->bi_iter.bi_sector << 9) + lo->lo_offset;
if (bio_rw(bio) == WRITE) {
struct file *file = lo->lo_backing_file;
@@ -444,7 +444,7 @@ static int do_bio_filebacked(struct loop_device *lo, struct bio *bio)
goto out;
}
ret = file->f_op->fallocate(file, mode, pos,
- bio->bi_size);
+ bio->bi_iter.bi_size);
if (unlikely(ret && ret != -EINVAL &&
ret != -EOPNOTSUPP))
ret = -EIO;
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index 050c712..69e9eb5 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -3993,7 +3993,7 @@ static void mtip_make_request(struct request_queue *queue, struct bio *bio)
}
if (unlikely(bio->bi_rw & REQ_DISCARD)) {
- bio_endio(bio, mtip_send_trim(dd, bio->bi_sector,
+ bio_endio(bio, mtip_send_trim(dd, bio->bi_iter.bi_sector,
bio_sectors(bio)));
return;
}
@@ -4006,7 +4006,8 @@ static void mtip_make_request(struct request_queue *queue, struct bio *bio)
if (bio_data_dir(bio) == WRITE && bio_sectors(bio) <= 64 &&
dd->unal_qdepth) {
- if (bio->bi_sector % 8 != 0) /* Unaligned on 4k boundaries */
+ if (bio->bi_iter.bi_sector % 8 != 0)
+ /* Unaligned on 4k boundaries */
unaligned = 1;
else if (bio_sectors(bio) % 8 != 0) /* Aligned but not 4k/8k */
unaligned = 1;
@@ -4035,7 +4036,7 @@ static void mtip_make_request(struct request_queue *queue, struct bio *bio)
/* Issue the read/write. */
mtip_hw_submit_io(dd,
- bio->bi_sector,
+ bio->bi_iter.bi_sector,
bio_sectors(bio),
nents,
tag,
diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c
index 26d03fa..53d2173 100644
--- a/drivers/block/nvme-core.c
+++ b/drivers/block/nvme-core.c
@@ -468,7 +468,7 @@ static struct nvme_bio_pair *nvme_bio_split(struct bio *bio, int idx,
{
struct nvme_bio_pair *bp;
- BUG_ON(len > bio->bi_size);
+ BUG_ON(len > bio->bi_iter.bi_size);
BUG_ON(idx > bio->bi_vcnt);
bp = kmalloc(sizeof(*bp), GFP_ATOMIC);
@@ -479,11 +479,11 @@ static struct nvme_bio_pair *nvme_bio_split(struct bio *bio, int idx,
bp->b1 = *bio;
bp->b2 = *bio;
- bp->b1.bi_size = len;
- bp->b2.bi_size -= len;
+ bp->b1.bi_iter.bi_size = len;
+ bp->b2.bi_iter.bi_size -= len;
bp->b1.bi_vcnt = idx;
- bp->b2.bi_idx = idx;
- bp->b2.bi_sector += len >> 9;
+ bp->b2.bi_iter.bi_idx = idx;
+ bp->b2.bi_iter.bi_sector += len >> 9;
if (offset) {
bp->bv1 = kmalloc(bio->bi_max_vecs * sizeof(struct bio_vec),
@@ -552,11 +552,12 @@ static int nvme_map_bio(struct nvme_queue *nvmeq, struct nvme_iod *iod,
{
struct bio_vec *bvec, *bvprv = NULL;
struct scatterlist *sg = NULL;
- int i, length = 0, nsegs = 0, split_len = bio->bi_size;
+ int i, length = 0, nsegs = 0, split_len = bio->bi_iter.bi_size;
if (nvmeq->dev->stripe_size)
split_len = nvmeq->dev->stripe_size -
- ((bio->bi_sector << 9) & (nvmeq->dev->stripe_size - 1));
+ ((bio->bi_iter.bi_sector << 9) &
+ (nvmeq->dev->stripe_size - 1));
sg_init_table(iod->sg, psegs);
bio_for_each_segment(bvec, bio, i) {
@@ -584,7 +585,7 @@ static int nvme_map_bio(struct nvme_queue *nvmeq, struct nvme_iod *iod,
if (dma_map_sg(nvmeq->q_dmadev, iod->sg, iod->nents, dma_dir) == 0)
return -ENOMEM;
- BUG_ON(length != bio->bi_size);
+ BUG_ON(length != bio->bi_iter.bi_size);
return length;
}
@@ -608,8 +609,8 @@ static int nvme_submit_discard(struct nvme_queue *nvmeq, struct nvme_ns *ns,
iod->npages = 0;
range->cattr = cpu_to_le32(0);
- range->nlb = cpu_to_le32(bio->bi_size >> ns->lba_shift);
- range->slba = cpu_to_le64(nvme_block_nr(ns, bio->bi_sector));
+ range->nlb = cpu_to_le32(bio->bi_iter.bi_size >> ns->lba_shift);
+ range->slba = cpu_to_le64(nvme_block_nr(ns, bio->bi_iter.bi_sector));
memset(cmnd, 0, sizeof(*cmnd));
cmnd->dsm.opcode = nvme_cmd_dsm;
@@ -674,7 +675,7 @@ static int nvme_submit_bio_queue(struct nvme_queue *nvmeq, struct nvme_ns *ns,
}
result = -ENOMEM;
- iod = nvme_alloc_iod(psegs, bio->bi_size, GFP_ATOMIC);
+ iod = nvme_alloc_iod(psegs, bio->bi_iter.bi_size, GFP_ATOMIC);
if (!iod)
goto nomem;
iod->private = bio;
@@ -723,7 +724,7 @@ static int nvme_submit_bio_queue(struct nvme_queue *nvmeq, struct nvme_ns *ns,
cmnd->rw.nsid = cpu_to_le32(ns->ns_id);
length = nvme_setup_prps(nvmeq->dev, &cmnd->common, iod, length,
GFP_ATOMIC);
- cmnd->rw.slba = cpu_to_le64(nvme_block_nr(ns, bio->bi_sector));
+ cmnd->rw.slba = cpu_to_le64(nvme_block_nr(ns, bio->bi_iter.bi_sector));
cmnd->rw.length = cpu_to_le16((length >> ns->lba_shift) - 1);
cmnd->rw.control = cpu_to_le16(control);
cmnd->rw.dsmgmt = cpu_to_le32(dsmgmt);
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index ff8668c..ce986ba 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -651,7 +651,7 @@ static struct pkt_rb_node *pkt_rbtree_find(struct pktcdvd_device *pd, sector_t s
for (;;) {
tmp = rb_entry(n, struct pkt_rb_node, rb_node);
- if (s <= tmp->bio->bi_sector)
+ if (s <= tmp->bio->bi_iter.bi_sector)
next = n->rb_left;
else
next = n->rb_right;
@@ -660,12 +660,12 @@ static struct pkt_rb_node *pkt_rbtree_find(struct pktcdvd_device *pd, sector_t s
n = next;
}
- if (s > tmp->bio->bi_sector) {
+ if (s > tmp->bio->bi_iter.bi_sector) {
tmp = pkt_rbtree_next(tmp);
if (!tmp)
return NULL;
}
- BUG_ON(s > tmp->bio->bi_sector);
+ BUG_ON(s > tmp->bio->bi_iter.bi_sector);
return tmp;
}
@@ -676,13 +676,13 @@ static void pkt_rbtree_insert(struct pktcdvd_device *pd, struct pkt_rb_node *nod
{
struct rb_node **p = &pd->bio_queue.rb_node;
struct rb_node *parent = NULL;
- sector_t s = node->bio->bi_sector;
+ sector_t s = node->bio->bi_iter.bi_sector;
struct pkt_rb_node *tmp;
while (*p) {
parent = *p;
tmp = rb_entry(parent, struct pkt_rb_node, rb_node);
- if (s < tmp->bio->bi_sector)
+ if (s < tmp->bio->bi_iter.bi_sector)
p = &(*p)->rb_left;
else
p = &(*p)->rb_right;
@@ -857,7 +857,8 @@ static void pkt_iosched_process_queue(struct pktcdvd_device *pd)
spin_lock(&pd->iosched.lock);
bio = bio_list_peek(&pd->iosched.write_queue);
spin_unlock(&pd->iosched.lock);
- if (bio && (bio->bi_sector == pd->iosched.last_write))
+ if (bio && (bio->bi_iter.bi_sector ==
+ pd->iosched.last_write))
need_write_seek = 0;
if (need_write_seek && reads_queued) {
if (atomic_read(&pd->cdrw.pending_bios) > 0) {
@@ -888,7 +889,8 @@ static void pkt_iosched_process_queue(struct pktcdvd_device *pd)
continue;
if (bio_data_dir(bio) == READ)
- pd->iosched.successive_reads += bio->bi_size >> 10;
+ pd->iosched.successive_reads +=
+ bio->bi_iter.bi_size >> 10;
else {
pd->iosched.successive_reads = 0;
pd->iosched.last_write = bio_end_sector(bio);
@@ -978,7 +980,7 @@ static void pkt_end_io_read(struct bio *bio, int err)
pkt_dbg(2, pd, "bio=%p sec0=%llx sec=%llx err=%d\n",
bio, (unsigned long long)pkt->sector,
- (unsigned long long)bio->bi_sector, err);
+ (unsigned long long)bio->bi_iter.bi_sector, err);
if (err)
atomic_inc(&pkt->io_errors);
@@ -1026,8 +1028,9 @@ static void pkt_gather_data(struct pktcdvd_device *pd, struct packet_data *pkt)
memset(written, 0, sizeof(written));
spin_lock(&pkt->lock);
bio_list_for_each(bio, &pkt->orig_bios) {
- int first_frame = (bio->bi_sector - pkt->sector) / (CD_FRAMESIZE >> 9);
- int num_frames = bio->bi_size / CD_FRAMESIZE;
+ int first_frame = (bio->bi_iter.bi_sector - pkt->sector) /
+ (CD_FRAMESIZE >> 9);
+ int num_frames = bio->bi_iter.bi_size / CD_FRAMESIZE;
pd->stats.secs_w += num_frames * (CD_FRAMESIZE >> 9);
BUG_ON(first_frame < 0);
BUG_ON(first_frame + num_frames > pkt->frames);
@@ -1053,7 +1056,7 @@ static void pkt_gather_data(struct pktcdvd_device *pd, struct packet_data *pkt)
bio = pkt->r_bios[f];
bio_reset(bio);
- bio->bi_sector = pkt->sector + f * (CD_FRAMESIZE >> 9);
+ bio->bi_iter.bi_sector = pkt->sector + f * (CD_FRAMESIZE >> 9);
bio->bi_bdev = pd->bdev;
bio->bi_end_io = pkt_end_io_read;
bio->bi_private = pkt;
@@ -1150,8 +1153,8 @@ static int pkt_start_recovery(struct packet_data *pkt)
bio_reset(pkt->bio);
pkt->bio->bi_bdev = pd->bdev;
pkt->bio->bi_rw = REQ_WRITE;
- pkt->bio->bi_sector = new_sector;
- pkt->bio->bi_size = pkt->frames * CD_FRAMESIZE;
+ pkt->bio->bi_iter.bi_sector = new_sector;
+ pkt->bio->bi_iter.bi_size = pkt->frames * CD_FRAMESIZE;
pkt->bio->bi_vcnt = pkt->frames;
pkt->bio->bi_end_io = pkt_end_io_packet_write;
@@ -1213,7 +1216,7 @@ static int pkt_handle_queue(struct pktcdvd_device *pd)
node = first_node;
while (node) {
bio = node->bio;
- zone = get_zone(bio->bi_sector, pd);
+ zone = get_zone(bio->bi_iter.bi_sector, pd);
list_for_each_entry(p, &pd->cdrw.pkt_active_list, list) {
if (p->sector == zone) {
bio = NULL;
@@ -1252,14 +1255,14 @@ try_next_bio:
pkt_dbg(2, pd, "looking for zone %llx\n", (unsigned long long)zone);
while ((node = pkt_rbtree_find(pd, zone)) != NULL) {
bio = node->bio;
- pkt_dbg(2, pd, "found zone=%llx\n",
- (unsigned long long)get_zone(bio->bi_sector, pd));
- if (get_zone(bio->bi_sector, pd) != zone)
+ pkt_dbg(2, pd, "found zone=%llx\n", (unsigned long long)
+ get_zone(bio->bi_iter.bi_sector, pd));
+ if (get_zone(bio->bi_iter.bi_sector, pd) != zone)
break;
pkt_rbtree_erase(pd, node);
spin_lock(&pkt->lock);
bio_list_add(&pkt->orig_bios, bio);
- pkt->write_size += bio->bi_size / CD_FRAMESIZE;
+ pkt->write_size += bio->bi_iter.bi_size / CD_FRAMESIZE;
spin_unlock(&pkt->lock);
}
/* check write congestion marks, and if bio_queue_size is
@@ -1293,7 +1296,7 @@ static void pkt_start_write(struct pktcdvd_device *pd, struct packet_data *pkt)
struct bio_vec *bvec = pkt->w_bio->bi_io_vec;
bio_reset(pkt->w_bio);
- pkt->w_bio->bi_sector = pkt->sector;
+ pkt->w_bio->bi_iter.bi_sector = pkt->sector;
pkt->w_bio->bi_bdev = pd->bdev;
pkt->w_bio->bi_end_io = pkt_end_io_packet_write;
pkt->w_bio->bi_private = pkt;
@@ -2370,20 +2373,20 @@ static void pkt_make_request(struct request_queue *q, struct bio *bio)
if (!test_bit(PACKET_WRITABLE, &pd->flags)) {
pkt_notice(pd, "WRITE for ro device (%llu)\n",
- (unsigned long long)bio->bi_sector);
+ (unsigned long long)bio->bi_iter.bi_sector);
goto end_io;
}
- if (!bio->bi_size || (bio->bi_size % CD_FRAMESIZE)) {
+ if (!bio->bi_iter.bi_size || (bio->bi_iter.bi_size % CD_FRAMESIZE)) {
pkt_err(pd, "wrong bio size\n");
goto end_io;
}
blk_queue_bounce(q, &bio);
- zone = get_zone(bio->bi_sector, pd);
+ zone = get_zone(bio->bi_iter.bi_sector, pd);
pkt_dbg(2, pd, "start = %6llx stop = %6llx\n",
- (unsigned long long)bio->bi_sector,
+ (unsigned long long)bio->bi_iter.bi_sector,
(unsigned long long)bio_end_sector(bio));
/* Check if we have to split the bio */
@@ -2395,7 +2398,7 @@ static void pkt_make_request(struct request_queue *q, struct bio *bio)
last_zone = get_zone(bio_end_sector(bio) - 1, pd);
if (last_zone != zone) {
BUG_ON(last_zone != zone + pd->settings.size);
- first_sectors = last_zone - bio->bi_sector;
+ first_sectors = last_zone - bio->bi_iter.bi_sector;
bp = bio_split(bio, first_sectors);
BUG_ON(!bp);
pkt_make_request(q, &bp->bio1);
@@ -2417,7 +2420,8 @@ static void pkt_make_request(struct request_queue *q, struct bio *bio)
if ((pkt->state == PACKET_WAITING_STATE) ||
(pkt->state == PACKET_READ_WAIT_STATE)) {
bio_list_add(&pkt->orig_bios, bio);
- pkt->write_size += bio->bi_size / CD_FRAMESIZE;
+ pkt->write_size +=
+ bio->bi_iter.bi_size / CD_FRAMESIZE;
if ((pkt->write_size >= pkt->frames) &&
(pkt->state == PACKET_WAITING_STATE)) {
atomic_inc(&pkt->run_sm);
diff --git a/drivers/block/ps3disk.c b/drivers/block/ps3disk.c
index d754a88..464be78 100644
--- a/drivers/block/ps3disk.c
+++ b/drivers/block/ps3disk.c
@@ -104,7 +104,7 @@ static void ps3disk_scatter_gather(struct ps3_storage_device *dev,
dev_dbg(&dev->sbd.core,
"%s:%u: bio %u: %u segs %u sectors from %lu\n",
__func__, __LINE__, i, bio_segments(iter.bio),
- bio_sectors(iter.bio), iter.bio->bi_sector);
+ bio_sectors(iter.bio), iter.bio->bi_iter.bi_sector);
size = bvec->bv_len;
buf = bvec_kmap_irq(bvec, &flags);
diff --git a/drivers/block/ps3vram.c b/drivers/block/ps3vram.c
index 06a2e53..320bbfc 100644
--- a/drivers/block/ps3vram.c
+++ b/drivers/block/ps3vram.c
@@ -553,7 +553,7 @@ static struct bio *ps3vram_do_bio(struct ps3_system_bus_device *dev,
struct ps3vram_priv *priv = ps3_system_bus_get_drvdata(dev);
int write = bio_data_dir(bio) == WRITE;
const char *op = write ? "write" : "read";
- loff_t offset = bio->bi_sector << 9;
+ loff_t offset = bio->bi_iter.bi_sector << 9;
int error = 0;
struct bio_vec *bvec;
unsigned int i;
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index cb1db29..a8f4fe2 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -1183,14 +1183,14 @@ static struct bio *bio_clone_range(struct bio *bio_src,
/* Handle the easy case for the caller */
- if (!offset && len == bio_src->bi_size)
+ if (!offset && len == bio_src->bi_iter.bi_size)
return bio_clone(bio_src, gfpmask);
if (WARN_ON_ONCE(!len))
return NULL;
- if (WARN_ON_ONCE(len > bio_src->bi_size))
+ if (WARN_ON_ONCE(len > bio_src->bi_iter.bi_size))
return NULL;
- if (WARN_ON_ONCE(offset > bio_src->bi_size - len))
+ if (WARN_ON_ONCE(offset > bio_src->bi_iter.bi_size - len))
return NULL;
/* Find first affected segment... */
@@ -1220,7 +1220,8 @@ static struct bio *bio_clone_range(struct bio *bio_src,
return NULL; /* ENOMEM */
bio->bi_bdev = bio_src->bi_bdev;
- bio->bi_sector = bio_src->bi_sector + (offset >> SECTOR_SHIFT);
+ bio->bi_iter.bi_sector = bio_src->bi_iter.bi_sector +
+ (offset >> SECTOR_SHIFT);
bio->bi_rw = bio_src->bi_rw;
bio->bi_flags |= 1 << BIO_CLONED;
@@ -1239,8 +1240,7 @@ static struct bio *bio_clone_range(struct bio *bio_src,
}
bio->bi_vcnt = vcnt;
- bio->bi_size = len;
- bio->bi_idx = 0;
+ bio->bi_iter.bi_size = len;
return bio;
}
@@ -1271,7 +1271,7 @@ static struct bio *bio_chain_clone_range(struct bio **bio_src,
/* Build up a chain of clone bios up to the limit */
- if (!bi || off >= bi->bi_size || !len)
+ if (!bi || off >= bi->bi_iter.bi_size || !len)
return NULL; /* Nothing to clone */
end = &chain;
@@ -1283,7 +1283,7 @@ static struct bio *bio_chain_clone_range(struct bio **bio_src,
rbd_warn(NULL, "bio_chain exhausted with %u left", len);
goto out_err; /* EINVAL; ran out of bio's */
}
- bi_size = min_t(unsigned int, bi->bi_size - off, len);
+ bi_size = min_t(unsigned int, bi->bi_iter.bi_size - off, len);
bio = bio_clone_range(bi, off, bi_size, gfpmask);
if (!bio)
goto out_err; /* ENOMEM */
@@ -1292,7 +1292,7 @@ static struct bio *bio_chain_clone_range(struct bio **bio_src,
end = &bio->bi_next;
off += bi_size;
- if (off == bi->bi_size) {
+ if (off == bi->bi_iter.bi_size) {
bi = bi->bi_next;
off = 0;
}
@@ -2186,7 +2186,8 @@ static int rbd_img_request_fill(struct rbd_img_request *img_request,
if (type == OBJ_REQUEST_BIO) {
bio_list = data_desc;
- rbd_assert(img_offset == bio_list->bi_sector << SECTOR_SHIFT);
+ rbd_assert(img_offset ==
+ bio_list->bi_iter.bi_sector << SECTOR_SHIFT);
} else {
rbd_assert(type == OBJ_REQUEST_PAGES);
pages = data_desc;
diff --git a/drivers/block/rsxx/dev.c b/drivers/block/rsxx/dev.c
index 2284f5d..2839d37 100644
--- a/drivers/block/rsxx/dev.c
+++ b/drivers/block/rsxx/dev.c
@@ -174,7 +174,7 @@ static void rsxx_make_request(struct request_queue *q, struct bio *bio)
if (!card)
goto req_err;
- if (bio->bi_sector + (bio->bi_size >> 9) > get_capacity(card->gendisk))
+ if (bio_end_sector(bio) > get_capacity(card->gendisk))
goto req_err;
if (unlikely(card->halt)) {
@@ -187,7 +187,7 @@ static void rsxx_make_request(struct request_queue *q, struct bio *bio)
goto req_err;
}
- if (bio->bi_size == 0) {
+ if (bio->bi_iter.bi_size == 0) {
dev_err(CARD_TO_DEV(card), "size zero BIO!\n");
goto req_err;
}
@@ -208,7 +208,7 @@ static void rsxx_make_request(struct request_queue *q, struct bio *bio)
dev_dbg(CARD_TO_DEV(card), "BIO[%c]: meta: %p addr8: x%llx size: %d\n",
bio_data_dir(bio) ? 'W' : 'R', bio_meta,
- (u64)bio->bi_sector << 9, bio->bi_size);
+ (u64)bio->bi_iter.bi_sector << 9, bio->bi_iter.bi_size);
st = rsxx_dma_queue_bio(card, bio, &bio_meta->pending_dmas,
bio_dma_done_cb, bio_meta);
diff --git a/drivers/block/rsxx/dma.c b/drivers/block/rsxx/dma.c
index fc88ba3..3716633 100644
--- a/drivers/block/rsxx/dma.c
+++ b/drivers/block/rsxx/dma.c
@@ -696,7 +696,7 @@ int rsxx_dma_queue_bio(struct rsxx_cardinfo *card,
int st;
int i;
- addr8 = bio->bi_sector << 9; /* sectors are 512 bytes */
+ addr8 = bio->bi_iter.bi_sector << 9; /* sectors are 512 bytes */
atomic_set(n_dmas, 0);
for (i = 0; i < card->n_targets; i++) {
@@ -705,7 +705,7 @@ int rsxx_dma_queue_bio(struct rsxx_cardinfo *card,
}
if (bio->bi_rw & REQ_DISCARD) {
- bv_len = bio->bi_size;
+ bv_len = bio->bi_iter.bi_size;
while (bv_len > 0) {
tgt = rsxx_get_dma_tgt(card, addr8);
diff --git a/drivers/block/umem.c b/drivers/block/umem.c
index ad70868..dab4f1a 100644
--- a/drivers/block/umem.c
+++ b/drivers/block/umem.c
@@ -352,8 +352,8 @@ static int add_bio(struct cardinfo *card)
bio = card->currentbio;
if (!bio && card->bio) {
card->currentbio = card->bio;
- card->current_idx = card->bio->bi_idx;
- card->current_sector = card->bio->bi_sector;
+ card->current_idx = card->bio->bi_iter.bi_idx;
+ card->current_sector = card->bio->bi_iter.bi_sector;
card->bio = card->bio->bi_next;
if (card->bio == NULL)
card->biotail = &card->bio;
@@ -451,7 +451,7 @@ static void process_page(unsigned long data)
if (page->idx >= bio->bi_vcnt) {
page->bio = bio->bi_next;
if (page->bio)
- page->idx = page->bio->bi_idx;
+ page->idx = page->bio->bi_iter.bi_idx;
}
pci_unmap_page(card->dev, desc->data_dma_handle,
@@ -532,7 +532,8 @@ static void mm_make_request(struct request_queue *q, struct bio *bio)
{
struct cardinfo *card = q->queuedata;
pr_debug("mm_make_request %llu %u\n",
- (unsigned long long)bio->bi_sector, bio->bi_size);
+ (unsigned long long)bio->bi_iter.bi_sector,
+ bio->bi_iter.bi_size);
spin_lock_irq(&card->lock);
*card->biotail = bio;
diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c
index 6620b73..4b97b86 100644
--- a/drivers/block/xen-blkback/blkback.c
+++ b/drivers/block/xen-blkback/blkback.c
@@ -1257,7 +1257,7 @@ static int dispatch_rw_block_io(struct xen_blkif *blkif,
bio->bi_bdev = preq.bdev;
bio->bi_private = pending_req;
bio->bi_end_io = end_block_io_op;
- bio->bi_sector = preq.sector_number;
+ bio->bi_iter.bi_sector = preq.sector_number;
}
preq.sector_number += seg[i].nsec;
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 432db1b..80e8630 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -1547,7 +1547,7 @@ static int blkif_recover(struct blkfront_info *info)
for (i = 0; i < pending; i++) {
offset = (i * segs * PAGE_SIZE) >> 9;
size = min((unsigned int)(segs * PAGE_SIZE) >> 9,
- (unsigned int)(bio->bi_size >> 9) - offset);
+ (unsigned int)bio_sectors(bio) - offset);
cloned_bio = bio_clone(bio, GFP_NOIO);
BUG_ON(cloned_bio == NULL);
bio_trim(cloned_bio, offset, size);
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