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Subject[PATCH v5 5/6] nvdimm: Increase max envelope size for IOCTL
Date
In __nd_ioctl must first read in the fixed sized portion of an ioctl
so that it can then determine the size of the variable part.

Prepare for ND_CMD_CALL_DSM calls which have larger fixed portion
wrapper.

Signed-off-by: Jerry Hoemann <jerry.hoemann@hpe.com>
---
include/linux/libnvdimm.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/libnvdimm.h b/include/linux/libnvdimm.h
index 3f021dc..b0a2f60 100644
--- a/include/linux/libnvdimm.h
+++ b/include/linux/libnvdimm.h
@@ -27,7 +27,7 @@ enum {
/* need to set a limit somewhere, but yes, this is likely overkill */
ND_IOCTL_MAX_BUFLEN = SZ_4M,
ND_CMD_MAX_ELEM = 4,
- ND_CMD_MAX_ENVELOPE = 16,
+ ND_CMD_MAX_ENVELOPE = 256,
ND_CMD_ARS_STATUS_MAX = SZ_4K,
ND_MAX_MAPPINGS = 32,

--
1.7.11.3


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