Previously this said it would only happen on barrier writes. Except the documentation blocks for * feature-flush-cache * feature-discard
Also say that they can return this error. Signed-off-by: Mark Syms <mark.s...@cloud.com> --- xen/include/public/io/blkif.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/include/public/io/blkif.h b/xen/include/public/io/blkif.h index 8407453324..5e617b0c67 100644 --- a/xen/include/public/io/blkif.h +++ b/xen/include/public/io/blkif.h @@ -710,7 +710,7 @@ typedef struct blkif_response blkif_response_t; /* * STATUS RETURN CODES. */ - /* Operation not supported (only happens on barrier writes). */ + /* Operation not supported, see feature-barrier, feature-flush-cache, feature-discard. */ #define BLKIF_RSP_EOPNOTSUPP -2 /* Operation failed for some unspecified reason (-EIO). */ #define BLKIF_RSP_ERROR -1 -- 2.50.1