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/nilfs2 | |
| 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/nilfs2')
| -rw-r--r-- | fs/nilfs2/segbuf.c | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/fs/nilfs2/segbuf.c b/fs/nilfs2/segbuf.c index dc3a9efdaab8..42468e5ab3e7 100644 --- a/fs/nilfs2/segbuf.c +++ b/fs/nilfs2/segbuf.c @@ -343,11 +343,6 @@ static void nilfs_end_bio_write(struct bio *bio, int err) const int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags); struct nilfs_segment_buffer *segbuf = bio->bi_private; - if (err == -EOPNOTSUPP) { - set_bit(BIO_EOPNOTSUPP, &bio->bi_flags); - /* to be detected by nilfs_segbuf_submit_bio() */ - } - if (!uptodate) atomic_inc(&segbuf->sb_err); @@ -374,15 +369,8 @@ static int nilfs_segbuf_submit_bio(struct nilfs_segment_buffer *segbuf, bio->bi_end_io = nilfs_end_bio_write; bio->bi_private = segbuf; - bio_get(bio); submit_bio(mode, bio); segbuf->sb_nbio++; - if (bio_flagged(bio, BIO_EOPNOTSUPP)) { - bio_put(bio); - err = -EOPNOTSUPP; - goto failed; - } - bio_put(bio); wi->bio = NULL; wi->rest_blocks -= wi->end - wi->start; |