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Message-Id: <1370744348-15407-17-git-send-email-koverstreet@google.com>
Date: Sat, 8 Jun 2013 19:18:58 -0700
From: Kent Overstreet <koverstreet@...gle.com>
To: axboe@...nel.dk, tytso@....edu, linux-kernel@...r.kernel.org,
linux-fsdevel@...r.kernel.org
Cc: Kent Overstreet <koverstreet@...gle.com>,
NeilBrown <neilb@...e.de>, Alasdair Kergon <agk@...hat.com>,
Lars Ellenberg <lars.ellenberg@...bit.com>,
Peter Osterlund <petero2@...ia.com>,
Sage Weil <sage@...tank.com>
Subject: [PATCH 16/26] block: Rename bio_split() -> bio_pair_split()
This is prep work for introducing a more general bio_split().
Signed-off-by: Kent Overstreet <koverstreet@...gle.com>
Cc: Jens Axboe <axboe@...nel.dk>
Cc: NeilBrown <neilb@...e.de>
Cc: Alasdair Kergon <agk@...hat.com>
Cc: Lars Ellenberg <lars.ellenberg@...bit.com>
Cc: Peter Osterlund <petero2@...ia.com>
Cc: Sage Weil <sage@...tank.com>
---
drivers/block/pktcdvd.c | 2 +-
drivers/md/linear.c | 2 +-
drivers/md/raid0.c | 6 +++---
drivers/md/raid10.c | 2 +-
fs/bio.c | 4 ++--
include/linux/bio.h | 2 +-
6 files changed, 9 insertions(+), 9 deletions(-)
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index 68a6d2a..6c1029c 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -2412,7 +2412,7 @@ static void pkt_make_request(struct request_queue *q, struct bio *bio)
if (last_zone != zone) {
BUG_ON(last_zone != zone + pd->settings.size);
first_sectors = last_zone - bio->bi_iter.bi_sector;
- bp = bio_split(bio, first_sectors);
+ bp = bio_pair_split(bio, first_sectors);
BUG_ON(!bp);
pkt_make_request(q, &bp->bio1);
pkt_make_request(q, &bp->bio2);
diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index fb3b0d0..e9b53e9 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -326,7 +326,7 @@ static void linear_make_request(struct mddev *mddev, struct bio *bio)
rcu_read_unlock();
- bp = bio_split(bio, end_sector - bio->bi_iter.bi_sector);
+ bp = bio_pair_split(bio, end_sector - bio->bi_iter.bi_sector);
linear_make_request(mddev, &bp->bio1);
linear_make_request(mddev, &bp->bio2);
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index d8c2ec0..5edc3f7 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -534,11 +534,11 @@ static void raid0_make_request(struct mddev *mddev, struct bio *bio)
* refuse to split for us, so we need to split it.
*/
if (likely(is_power_of_2(chunk_sects)))
- bp = bio_split(bio, chunk_sects - (sector &
+ bp = bio_pair_split(bio, chunk_sects - (sector &
(chunk_sects-1)));
else
- bp = bio_split(bio, chunk_sects -
- sector_div(sector, chunk_sects));
+ bp = bio_pair_split(bio, chunk_sects -
+ sector_div(sector, chunk_sects));
raid0_make_request(mddev, &bp->bio1);
raid0_make_request(mddev, &bp->bio2);
bio_pair_release(bp);
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 5899d87..7b68d82 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1185,7 +1185,7 @@ static void make_request(struct mddev *mddev, struct bio * bio)
/* This is a one page bio that upper layers
* refuse to split for us, so we need to split it.
*/
- bp = bio_split(bio, chunk_sects -
+ bp = bio_pair_split(bio, chunk_sects -
(bio->bi_iter.bi_sector & (chunk_sects - 1)));
/* Each of these 'make_request' calls will call 'wait_barrier'.
diff --git a/fs/bio.c b/fs/bio.c
index bd25401..3968b8f 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -1746,7 +1746,7 @@ static void bio_pair_end_2(struct bio *bi, int err)
/*
* split a bio - only worry about a bio with a single page in its iovec
*/
-struct bio_pair *bio_split(struct bio *bi, int first_sectors)
+struct bio_pair *bio_pair_split(struct bio *bi, int first_sectors)
{
struct bio_pair *bp = mempool_alloc(bio_split_pool, GFP_NOIO);
@@ -1793,7 +1793,7 @@ struct bio_pair *bio_split(struct bio *bi, int first_sectors)
return bp;
}
-EXPORT_SYMBOL(bio_split);
+EXPORT_SYMBOL(bio_pair_split);
/*
* create memory pools for biovec's in a bio_set.
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 55d2ce8..dd70f7e 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -281,7 +281,7 @@ struct bio_pair {
atomic_t cnt;
int error;
};
-extern struct bio_pair *bio_split(struct bio *bi, int first_sectors);
+extern struct bio_pair *bio_pair_split(struct bio *bi, int first_sectors);
extern void bio_pair_release(struct bio_pair *dbio);
extern struct bio_set *bioset_create(unsigned int, unsigned int);
--
1.8.3.rc1
--
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