libnvdimm, btt: refactor map entry operations with macros

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Add helpers for converting a raw map entry to just the block number, or
either of the 'e' or 'z' flags in preparation for actually using the
error flag to mark blocks with media errors.

Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

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Vishal Verma 2017-08-30 19:35:59 -06:00 • committed by Dan Williams

parent 1db1f3cea1

commit 0595d539a5

2 changed files with 8 additions and 4 deletions

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8

drivers/nvdimm/btt.c

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4

drivers/nvdimm/btt.h

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