rbd: define image request flags

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There are several Boolean values we'll be maintaining for image
requests.  Switch from the single write_request field to a
general-purpose flags field, and use one if its bits to represent
the direction of I/O for the image request.  Define helper functions
for setting and testing that flag.

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>

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Alex Elder 2013-02-08 09:55:49 -06:00 • committed by Sage Weil

parent 7da22d296d

commit 0c425248e0

1 changed files with 35 additions and 9 deletions

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drivers/block/rbd.c

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