rbd: new request completion code

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Do away with partial request completions and all the associated
complexity.  Individual object requests no longer need to be completed
in order -- when the last one becomes ready, we complete the entire
higher level request all at once.

This also wraps up the conversion to a state machine model and
eliminates the recursion described in commit 6d69bb536b ("rbd:
prevent kernel stack blow up on rbd map").

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

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Ilya Dryomov 2018-02-01 11:50:47 +01:00

parent efbd1a1106

commit 7114edac35

1 changed files with 55 additions and 13 deletions

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drivers/block/rbd.c

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