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drbd: add packet_type 27 (return_code_only) to netlink api

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In case we ever should add an other packet type,
we must not reuse 27, as that currently used for
"empty" return code only replies.
Document it as such.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Lars Ellenberg 2010-11-24 10:11:14 +01:00 • committed by Philipp Reisner
commit 42ff269d10
3 changed files with 10 additions and 3 deletions
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6
include/linux/drbd_nl.h
View file

@ -146,9 +146,13 @@ NL_PACKET(new_c_uuid, 26,
NL_BIT( 63, T_MANDATORY, clear_bm)
)
#ifdef NL_RESPONSE
NL_RESPONSE(return_code_only, 27)
#endif
#undef NL_PACKET
#undef NL_INTEGER
#undef NL_INT64
#undef NL_BIT
#undef NL_STRING
#undef NL_RESPONSE

1
include/linux/drbd_tag_magic.h
View file

@ -7,6 +7,7 @@
/* declare packet_type enums */
enum packet_types {
#define NL_PACKET(name, number, fields) P_ ## name = number,
#define NL_RESPONSE(name, number) P_ ## name = number,
#define NL_INTEGER(pn, pr, member)
#define NL_INT64(pn, pr, member)
#define NL_BIT(pn, pr, member)