Re: [dm-devel] [PATCH 09/11] block, nvme: Add error for reservation conflicts.

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On 6/2/22 23:55, Mike Christie wrote:
BLK_STS_NEXUS is used for nvme/scsi reservation conflicts and also
general nexus failures. For the pr_ops use we want to know if an IO failed
for specifically a reservation conflict so we can report that error upwards
to a VM. This patch adds a new error code for this case and converts nvme.
The next patch converts scsi because it's a little more complicated.

Signed-off-by: Mike Christie <michael.christie@xxxxxxxxxx>
---
  block/blk-core.c          | 1 +
  drivers/nvme/host/core.c  | 2 +-
  include/linux/blk_types.h | 4 ++++
  3 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/block/blk-core.c b/block/blk-core.c
index bc0506772152..3908ac4a70b6 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -171,6 +171,7 @@ static const struct {
  	/* zone device specific errors */
  	[BLK_STS_ZONE_OPEN_RESOURCE]	= { -ETOOMANYREFS, "open zones exceeded" },
  	[BLK_STS_ZONE_ACTIVE_RESOURCE]	= { -EOVERFLOW, "active zones exceeded" },
+	[BLK_STS_RSV_CONFLICT]	= { -EBADE,	"resevation conflict" },
                                                 ^^^^^^^^^^

Please fix the spelling of "reservation".

Thanks,

Bart.



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