提交 40abf9be 编写于 作者: J Jerry Hoemann 提交者: Dan Williams

libnvdimm: increase max envelope size for ioctl

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 calls which have larger fixed portion
envelope.
Signed-off-by: NJerry Hoemann <jerry.hoemann@hpe.com>
Signed-off-by: NDan Williams <dan.j.williams@intel.com>
上级 c7e16e52
......@@ -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 = 5,
ND_CMD_MAX_ENVELOPE = 16,
ND_CMD_MAX_ENVELOPE = 256,
ND_MAX_MAPPINGS = 32,
/* region flag indicating to direct-map persistent memory by default */
......
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