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Drop 'size' argument from bio_endio and bi_end_io

Browse source 
As bi_end_io is only called once when the reqeust is complete,
the 'size' argument is now redundant.  Remove it.

Now there is no need for bio_endio to subtract the size completed
from bi_size.  So don't do that either.

While we are at it, change bi_end_io to return void.

Signed-off-by: Neil Brown <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
NeilBrown 2007-09-27 12:47:43 +02:00 • committed by Jens Axboe
commit 6712ecf8f6
45 changed files with 132 additions and 328 deletions
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4
drivers/block/aoe/aoeblk.c
View file

@ -138,7 +138,7 @@ aoeblk_make_request(struct request_queue *q, struct bio *bio)
buf = mempool_alloc(d->bufpool, GFP_NOIO);
if (buf == NULL) {
printk(KERN_INFO "aoe: buf allocation failure\n");
bio_endio(bio, bio->bi_size, -ENOMEM);
bio_endio(bio, -ENOMEM);
return 0;
}
memset(buf, 0, sizeof(*buf));
@ -159,7 +159,7 @@ aoeblk_make_request(struct request_queue *q, struct bio *bio)
d->aoemajor, d->aoeminor);
spin_unlock_irqrestore(&d->lock, flags);
mempool_free(buf, d->bufpool);
bio_endio(bio, bio->bi_size, -ENXIO);
bio_endio(bio, -ENXIO);
return 0;
}

2
drivers/block/aoe/aoecmd.c
View file

@ -652,7 +652,7 @@ aoecmd_ata_rsp(struct sk_buff *skb)
disk_stat_add(disk, sectors[rw], n_sect);
disk_stat_add(disk, io_ticks, duration);
n = (buf->flags & BUFFL_FAIL) ? -EIO : 0;
bio_endio(buf->bio, buf->bio->bi_size, n);
bio_endio(buf->bio, n);
mempool_free(buf, d->bufpool);
}
}

4
drivers/block/aoe/aoedev.c
View file

@ -119,7 +119,7 @@ aoedev_downdev(struct aoedev *d)
bio = buf->bio;
if (--buf->nframesout == 0) {
mempool_free(buf, d->bufpool);
bio_endio(bio, bio->bi_size, -EIO);
bio_endio(bio, -EIO);
}
skb_shinfo(f->skb)->nr_frags = f->skb->data_len = 0;
}
@ -130,7 +130,7 @@ aoedev_downdev(struct aoedev *d)
list_del(d->bufq.next);
bio = buf->bio;
mempool_free(buf, d->bufpool);
bio_endio(bio, bio->bi_size, -EIO);
bio_endio(bio, -EIO);
}
if (d->gd)

2
drivers/block/cciss.c
View file

@ -1194,7 +1194,7 @@ static inline void complete_buffers(struct bio *bio, int status)
int nr_sectors = bio_sectors(bio);
bio->bi_next = NULL;
bio_endio(bio, nr_sectors << 9, status ? 0 : -EIO);
bio_endio(bio, status ? 0 : -EIO);
bio = xbh;
}
}

2
drivers/block/cpqarray.c
View file

@ -987,7 +987,7 @@ static inline void complete_buffers(struct bio *bio, int ok)
xbh = bio->bi_next;
bio->bi_next = NULL;
bio_endio(bio, nr_sectors << 9, ok ? 0 : -EIO);
bio_endio(bio, ok ? 0 : -EIO);
bio = xbh;
}

6
drivers/block/floppy.c
View file

@ -3810,14 +3810,10 @@ static int check_floppy_change(struct gendisk *disk)
* a disk in the drive, and whether that disk is writable.
*/
static int floppy_rb0_complete(struct bio *bio, unsigned int bytes_done,
static void floppy_rb0_complete(struct bio *bio,
int err)
{
if (bio->bi_size)
return 1;
complete((struct completion *)bio->bi_private);
return 0;
}
static int __floppy_read_block_0(struct block_device *bdev)

4
drivers/block/loop.c
View file

@ -551,7 +551,7 @@ static int loop_make_request(struct request_queue *q, struct bio *old_bio)
out:
spin_unlock_irq(&lo->lo_lock);
bio_io_error(old_bio, old_bio->bi_size);
bio_io_error(old_bio);
return 0;
}
@ -580,7 +580,7 @@ static inline void loop_handle_bio(struct loop_device *lo, struct bio *bio)
bio_put(bio);
} else {
int ret = do_bio_filebacked(lo, bio);
bio_endio(bio, bio->bi_size, ret);
bio_endio(bio, ret);
}
}

25
drivers/block/pktcdvd.c
View file

@ -1058,15 +1058,12 @@ static void pkt_make_local_copy(struct packet_data *pkt, struct bio_vec *bvec)
}
}
static int pkt_end_io_read(struct bio *bio, unsigned int bytes_done, int err)
static void pkt_end_io_read(struct bio *bio, int err)
{
struct packet_data *pkt = bio->bi_private;
struct pktcdvd_device *pd = pkt->pd;
BUG_ON(!pd);
if (bio->bi_size)
return 1;
VPRINTK("pkt_end_io_read: bio=%p sec0=%llx sec=%llx err=%d\n", bio,
(unsigned long long)pkt->sector, (unsigned long long)bio->bi_sector, err);
@ -1077,19 +1074,14 @@ static int pkt_end_io_read(struct bio *bio, unsigned int bytes_done, int err)
wake_up(&pd->wqueue);
}
pkt_bio_finished(pd);
return 0;
}
static int pkt_end_io_packet_write(struct bio *bio, unsigned int bytes_done, int err)
static void pkt_end_io_packet_write(struct bio *bio, int err)
{
struct packet_data *pkt = bio->bi_private;
struct pktcdvd_device *pd = pkt->pd;
BUG_ON(!pd);
if (bio->bi_size)
return 1;
VPRINTK("pkt_end_io_packet_write: id=%d, err=%d\n", pkt->id, err);
pd->stats.pkt_ended++;
@ -1098,7 +1090,6 @@ static int pkt_end_io_packet_write(struct bio *bio, unsigned int bytes_done, int
atomic_dec(&pkt->io_wait);
atomic_inc(&pkt->run_sm);
wake_up(&pd->wqueue);
return 0;
}
/*
@ -1470,7 +1461,7 @@ static void pkt_finish_packet(struct packet_data *pkt, int uptodate)
while (bio) {
next = bio->bi_next;
bio->bi_next = NULL;
bio_endio(bio, bio->bi_size, uptodate ? 0 : -EIO);
bio_endio(bio, uptodate ? 0 : -EIO);
bio = next;
}
pkt->orig_bios = pkt->orig_bios_tail = NULL;
@ -2462,19 +2453,15 @@ static int pkt_close(struct inode *inode, struct file *file)
}
static int pkt_end_io_read_cloned(struct bio *bio, unsigned int bytes_done, int err)
static void pkt_end_io_read_cloned(struct bio *bio, int err)
{
struct packet_stacked_data *psd = bio->bi_private;
struct pktcdvd_device *pd = psd->pd;
if (bio->bi_size)
return 1;
bio_put(bio);
bio_endio(psd->bio, psd->bio->bi_size, err);
bio_endio(psd->bio, err);
mempool_free(psd, psd_pool);
pkt_bio_finished(pd);
return 0;
}
static int pkt_make_request(struct request_queue *q, struct bio *bio)
@ -2620,7 +2607,7 @@ static int pkt_make_request(struct request_queue *q, struct bio *bio)
}
return 0;
end_io:
bio_io_error(bio, bio->bi_size);
bio_io_error(bio);
return 0;
}

4
drivers/block/rd.c
View file

@ -287,10 +287,10 @@ static int rd_make_request(struct request_queue *q, struct bio *bio)
if (ret)
goto fail;
bio_endio(bio, bio->bi_size, 0);
bio_endio(bio, 0);
return 0;
fail:
bio_io_error(bio, bio->bi_size);
bio_io_error(bio);
return 0;
}

2
drivers/block/umem.c
View file

@ -545,7 +545,7 @@ static void process_page(unsigned long data)
return_bio = bio->bi_next;
bio->bi_next = NULL;
bio_endio(bio, bio->bi_size, 0);
bio_endio(bio, 0);
}
}