block: check if page is mergeable in one helper

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Now the check for deciding if one page is mergeable to current bvec
becomes a bit complicated, and we need to reuse the code before
adding pc page.

So move the check in one dedicated helper.

No function change.

Cc: Omar Sandoval <osandov@fb.com>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

...

This commit is contained in:

Ming Lei 2019-03-17 18:01:07 +08:00 • committed by Jens Axboe

parent 5a8ce240d4

commit 5919482e22

1 changed files with 24 additions and 14 deletions

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block/bio.c

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