Jane Chu 047218ec90 dax: add .recovery_write dax_operation
Introduce dax_recovery_write() operation. The function is used to
recover a dax range that contains poison. Typical use case is when
a user process receives a SIGBUS with si_code BUS_MCEERR_AR
indicating poison(s) in a dax range, in response, the user process
issues a pwrite() to the page-aligned dax range, thus clears the
poison and puts valid data in the range.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jane Chu <jane.chu@oracle.com>
Link: https://lore.kernel.org/r/20220422224508.440670-6-jane.chu@oracle.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2022-05-16 13:37:59 -07:00
..
2022-03-25 13:35:34 -07:00
2022-04-06 08:47:52 -06:00
2022-03-23 18:03:08 -07:00
2022-03-31 13:57:15 -07:00
2022-04-08 12:59:43 -07:00
2022-04-22 13:11:38 -07:00
2022-04-07 06:35:34 -10:00
2022-04-23 09:52:07 -07:00
2022-05-16 13:37:59 -07:00
2022-03-25 13:56:18 -07:00
2022-04-04 17:03:04 +02:00
2022-03-21 18:33:57 -07:00
2022-04-07 06:35:34 -10:00
2022-03-21 14:46:01 -07:00
2022-03-30 10:50:48 -07:00
2022-04-01 09:37:18 -07:00
2022-03-24 13:13:26 -07:00
2022-04-19 10:30:43 -07:00
2022-03-23 18:23:13 -07:00
2022-03-18 19:00:26 +01:00
2022-03-28 14:32:39 -07:00
2022-04-05 10:40:52 -07:00
2022-03-31 13:57:15 -07:00
2022-04-05 10:40:52 -07:00
2022-03-31 14:14:03 -07:00