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block: submit_bio_wait() conversions

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It was being open coded in a few places.

Signed-off-by: Kent Overstreet <[email protected]>
Cc: Jens Axboe <[email protected]>
Cc: Joern Engel <[email protected]>
Cc: Prasad Joshi <[email protected]>
Cc: Neil Brown <[email protected]>
Cc: Chris Mason <[email protected]>
Acked-by: NeilBrown <[email protected]>
This commit is contained in:
Kent Overstreet 2013-11-23 22:33:32 -08:00
commit 33879d4512
8 changed files with 24 additions and 118 deletions
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17
fs/hfsplus/wrapper.c
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@ -24,13 +24,6 @@ struct hfsplus_wd {
u16 embed_count;
};
static void hfsplus_end_io_sync(struct bio *bio, int err)
{
if (err)
clear_bit(BIO_UPTODATE, &bio->bi_flags);
complete(bio->bi_private);
}
/*
* hfsplus_submit_bio - Perfrom block I/O
* @sb: super block of volume for I/O
@ -53,7 +46,6 @@ static void hfsplus_end_io_sync(struct bio *bio, int err)
int hfsplus_submit_bio(struct super_block *sb, sector_t sector,
void *buf, void **data, int rw)
{
DECLARE_COMPLETION_ONSTACK(wait);
struct bio *bio;
int ret = 0;
u64 io_size;
@ -73,8 +65,6 @@ int hfsplus_submit_bio(struct super_block *sb, sector_t sector,
bio = bio_alloc(GFP_NOIO, 1);
bio->bi_sector = sector;
bio->bi_bdev = sb->s_bdev;
bio->bi_end_io = hfsplus_end_io_sync;
bio->bi_private = &wait;
if (!(rw & WRITE) && data)
*data = (u8 *)buf + offset;
@ -93,12 +83,7 @@ int hfsplus_submit_bio(struct super_block *sb, sector_t sector,
buf = (u8 *)buf + len;
}
submit_bio(rw, bio);
wait_for_completion(&wait);
if (!bio_flagged(bio, BIO_UPTODATE))
ret = -EIO;
ret = submit_bio_wait(rw, bio);
out:
bio_put(bio);
return ret < 0 ? ret : 0;