[LSF/MM ATTEND] Persistent Memory Error Handling

[LSF/MM ATTEND] Persistent Memory Error Handling

[Vishal Verma]

Hi,

I'd like to attend LSF/MM. My primary topic of interest is the above as
proposed by Jeff Moyer:

http://www.spinics.net/lists/linux-mm/msg100560.html

I wrote the initial enabling for error handling that was merged for 4.5
(Building a poison list in the libnvdimm subsystem, exposing it as
'badblocks'), and am working on subsequent improvements in this areaa.
These would include making the initial poison gathering asynchronous,
and finer grained DAX control instead of turning DAX off entirely in
the presence of poison which we currently do.

Another topic of discussion I'd like to propose within this session is
to explore if there are use cases that the now-generic badblocks
implementation can fit. There is at least one opportunity of
consolidation between md-raid's sysfs representation of badblocks, and
the generically available one in gendisk.

Thanks,
	-Vishal

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