diff options
| author |   Christoph Hellwig <hch@lst.de> | 2015-04-24 21:41:01 +0200 |
|---|---|---|
| committer |   Jens Axboe <axboe@fb.com> | 2015-05-19 09:17:03 -0600 |
| commit | b25de9d6da49b1a8760a89672283128aa8c78345 (patch) | |
| tree | 446d9186aebfbdb2156e438b6c85d84d44dd51a2 /fs/buffer.c | |
| parent | block: use an atomic_t for mq_freeze_depth (diff) | |
| download | linux-dev-b25de9d6da49b1a8760a89672283128aa8c78345.tar.xz linux-dev-b25de9d6da49b1a8760a89672283128aa8c78345.zip | |
block: remove BIO_EOPNOTSUPP
Since the big barrier rewrite/removal in 2007 we never fail FLUSH or
FUA requests, which means we can remove the magic BIO_EOPNOTSUPP flag
to help propagating those to the buffer_head layer.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jeff Moyer <jmoyer@redhat.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'fs/buffer.c')
| -rw-r--r-- | fs/buffer.c | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/fs/buffer.c b/fs/buffer.c index c7a5602d01ee..efd85e0e8660 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -2938,10 +2938,6 @@ static void end_bio_bh_io_sync(struct bio *bio, int err) { struct buffer_head *bh = bio->bi_private; - if (err == -EOPNOTSUPP) { - set_bit(BIO_EOPNOTSUPP, &bio->bi_flags); - } - if (unlikely (test_bit(BIO_QUIET,&bio->bi_flags))) set_bit(BH_Quiet, &bh->b_state); @@ -3041,13 +3037,7 @@ int _submit_bh(int rw, struct buffer_head *bh, unsigned long bio_flags) if (buffer_prio(bh)) rw |= REQ_PRIO; - bio_get(bio); submit_bio(rw, bio); - - if (bio_flagged(bio, BIO_EOPNOTSUPP)) - ret = -EOPNOTSUPP; - - bio_put(bio); return ret; } EXPORT_SYMBOL_GPL(_submit_bh); |