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btrfs: unify end_io callbacks of async_submit_bio

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The end_io callbacks passed to btrfs_wq_submit_bio
(btrfs_submit_bio_done and btree_submit_bio_done) are effectively the
same code, there's no point to do the indirection. Export
btrfs_submit_bio_done and call it directly.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba
2018-07-18 17:36:24 +02:00
parent d7cbfafc4b
commit e288c080dd
4 changed files with 9 additions and 35 deletions
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28
fs/btrfs/disk-io.c
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@@ -108,7 +108,6 @@ struct async_submit_bio {
void *private_data;
struct bio *bio;
extent_submit_bio_start_t *submit_bio_start;
extent_submit_bio_done_t *submit_bio_done;
int mirror_num;
/*
* bio_offset is optional, can be used if the pages in the bio
@@ -775,7 +774,7 @@ static void run_one_async_done(struct btrfs_work *work)
return;
}
async->submit_bio_done(async->private_data, async->bio, async->mirror_num);
btrfs_submit_bio_done(async->private_data, async->bio, async->mirror_num);
}
static void run_one_async_free(struct btrfs_work *work)
@@ -789,8 +788,7 @@ static void run_one_async_free(struct btrfs_work *work)
blk_status_t btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct bio *bio,
int mirror_num, unsigned long bio_flags,
u64 bio_offset, void *private_data,
extent_submit_bio_start_t *submit_bio_start,
extent_submit_bio_done_t *submit_bio_done)
extent_submit_bio_start_t *submit_bio_start)
{
struct async_submit_bio *async;
@@ -802,7 +800,6 @@ blk_status_t btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct bio *bio,
async->bio = bio;
async->mirror_num = mirror_num;
async->submit_bio_start = submit_bio_start;
async->submit_bio_done = submit_bio_done;
btrfs_init_work(&async->work, btrfs_worker_helper, run_one_async_start,
run_one_async_done, run_one_async_free);
@@ -845,24 +842,6 @@ static blk_status_t btree_submit_bio_start(void *private_data, struct bio *bio,
return btree_csum_one_bio(bio);
}
static blk_status_t btree_submit_bio_done(void *private_data, struct bio *bio,
int mirror_num)
{
struct inode *inode = private_data;
blk_status_t ret;
/*
* when we're called for a write, we're already in the async
* submission context. Just jump into btrfs_map_bio
*/
ret = btrfs_map_bio(btrfs_sb(inode->i_sb), bio, mirror_num, 1);
if (ret) {
bio->bi_status = ret;
bio_endio(bio);
}
return ret;
}
static int check_async_write(struct btrfs_inode *bi)
{
if (atomic_read(&bi->sync_writers))
@@ -905,8 +884,7 @@ static blk_status_t btree_submit_bio_hook(void *private_data, struct bio *bio,
*/
ret = btrfs_wq_submit_bio(fs_info, bio, mirror_num, 0,
bio_offset, private_data,
btree_submit_bio_start,
btree_submit_bio_done);
btree_submit_bio_start);
}
if (ret)