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block: remove BIO_EOPNOTSUPP

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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>
This commit is contained in:
Christoph Hellwig
2015-04-24 21:41:01 +02:00
committed by Jens Axboe
parent 4ecd4fef3a
commit b25de9d6da
7 changed files with 2 additions and 38 deletions
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fs/ext4/page-io.c
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@@ -359,7 +359,6 @@ void ext4_io_submit(struct ext4_io_submit *io)
if (bio) {
bio_get(io->io_bio);
submit_bio(io->io_op, io->io_bio);
BUG_ON(bio_flagged(io->io_bio, BIO_EOPNOTSUPP));
bio_put(io->io_bio);
}
io->io_bio = NULL;