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Date: Wed, 06 Jun 2018 16:05:19 +1000
From: NeilBrown <neilb@...e.com>
To: Oleg Drokin <oleg.drokin@...el.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
James Simmons <jsimmons@...radead.org>,
Andreas Dilger <andreas.dilger@...el.com>
Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Lustre Development List <lustre-devel@...ts.lustre.org>
Subject: [PATCH 09/11] staging: lustre: discard WIRE_ATTR
This macro adds nothing of value, and make the code harder
to read for new readers.
Signed-off-by: NeilBrown <neilb@...e.com>
---
.../staging/lustre/include/linux/lnet/socklnd.h | 8 ++-
.../lustre/include/uapi/linux/lnet/lnet-types.h | 28 +++++-------
.../lustre/include/uapi/linux/lnet/lnetst.h | 4 +-
.../staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h | 22 +++++----
drivers/staging/lustre/lnet/selftest/rpc.h | 48 ++++++++++----------
5 files changed, 54 insertions(+), 56 deletions(-)
diff --git a/drivers/staging/lustre/include/linux/lnet/socklnd.h b/drivers/staging/lustre/include/linux/lnet/socklnd.h
index 6bd1bca190a3..9f69257e000b 100644
--- a/drivers/staging/lustre/include/linux/lnet/socklnd.h
+++ b/drivers/staging/lustre/include/linux/lnet/socklnd.h
@@ -50,7 +50,7 @@ struct ksock_hello_msg {
__u32 kshm_ctype; /* connection type */
__u32 kshm_nips; /* # IP addrs */
__u32 kshm_ips[0]; /* IP addrs */
-} WIRE_ATTR;
+} __packed;
struct ksock_lnet_msg {
struct lnet_hdr ksnm_hdr; /* lnet hdr */
@@ -61,7 +61,7 @@ struct ksock_lnet_msg {
* structure definitions. lnet payload will be stored just after
* the body of structure ksock_lnet_msg_t
*/
-} WIRE_ATTR;
+} __packed;
struct ksock_msg {
__u32 ksm_type; /* type of socklnd message */
@@ -71,8 +71,8 @@ struct ksock_msg {
struct ksock_lnet_msg lnetmsg; /* lnet message, it's empty if
* it's NOOP
*/
- } WIRE_ATTR ksm_u;
-} WIRE_ATTR;
+ } __packed ksm_u;
+} __packed;
#define KSOCK_MSG_NOOP 0xC0 /* ksm_u empty */
#define KSOCK_MSG_LNET 0xC1 /* lnet msg */
diff --git a/drivers/staging/lustre/include/uapi/linux/lnet/lnet-types.h b/drivers/staging/lustre/include/uapi/linux/lnet/lnet-types.h
index 1be9b7aa7326..f97e7d9d881f 100644
--- a/drivers/staging/lustre/include/uapi/linux/lnet/lnet-types.h
+++ b/drivers/staging/lustre/include/uapi/linux/lnet/lnet-types.h
@@ -112,14 +112,12 @@ static inline __u32 LNET_MKNET(__u32 type, __u32 num)
return (type << 16) | num;
}
-#define WIRE_ATTR __packed
-
/* Packed version of lnet_process_id to transfer via network */
struct lnet_process_id_packed {
/* node id / process id */
lnet_nid_t nid;
lnet_pid_t pid;
-} WIRE_ATTR;
+} __packed;
/*
* The wire handle's interface cookie only matches one network interface in
@@ -130,7 +128,7 @@ struct lnet_process_id_packed {
struct lnet_handle_wire {
__u64 wh_interface_cookie;
__u64 wh_object_cookie;
-} WIRE_ATTR;
+} __packed;
enum lnet_msg_type {
LNET_MSG_ACK = 0,
@@ -150,7 +148,7 @@ struct lnet_ack {
struct lnet_handle_wire dst_wmd;
__u64 match_bits;
__u32 mlength;
-} WIRE_ATTR;
+} __packed;
struct lnet_put {
struct lnet_handle_wire ack_wmd;
@@ -158,7 +156,7 @@ struct lnet_put {
__u64 hdr_data;
__u32 ptl_index;
__u32 offset;
-} WIRE_ATTR;
+} __packed;
struct lnet_get {
struct lnet_handle_wire return_wmd;
@@ -166,16 +164,16 @@ struct lnet_get {
__u32 ptl_index;
__u32 src_offset;
__u32 sink_length;
-} WIRE_ATTR;
+} __packed;
struct lnet_reply {
struct lnet_handle_wire dst_wmd;
-} WIRE_ATTR;
+} __packed;
struct lnet_hello {
__u64 incarnation;
__u32 type;
-} WIRE_ATTR;
+} __packed;
struct lnet_hdr {
lnet_nid_t dest_nid;
@@ -192,7 +190,7 @@ struct lnet_hdr {
struct lnet_reply reply;
struct lnet_hello hello;
} msg;
-} WIRE_ATTR;
+} __packed;
/*
* A HELLO message contains a magic number and protocol version
@@ -208,7 +206,7 @@ struct lnet_magicversion {
__u32 magic; /* LNET_PROTO_TCP_MAGIC */
__u16 version_major; /* increment on incompatible change */
__u16 version_minor; /* increment on compatible change */
-} WIRE_ATTR;
+} __packed;
/* PROTO MAGIC for LNDs */
#define LNET_PROTO_IB_MAGIC 0x0be91b91
@@ -232,7 +230,7 @@ struct lnet_acceptor_connreq {
__u32 acr_magic; /* PTL_ACCEPTOR_PROTO_MAGIC */
__u32 acr_version; /* protocol version */
__u64 acr_nid; /* target NID */
-} WIRE_ATTR;
+} __packed;
#define LNET_PROTO_ACCEPTOR_VERSION 1
@@ -240,7 +238,7 @@ struct lnet_ni_status {
lnet_nid_t ns_nid;
__u32 ns_status;
__u32 ns_unused;
-} WIRE_ATTR;
+} __packed;
struct lnet_ping_info {
__u32 pi_magic;
@@ -248,7 +246,7 @@ struct lnet_ping_info {
lnet_pid_t pi_pid;
__u32 pi_nnis;
struct lnet_ni_status pi_ni[0];
-} WIRE_ATTR;
+} __packed;
struct lnet_counters {
__u32 msgs_alloc;
@@ -262,7 +260,7 @@ struct lnet_counters {
__u64 recv_length;
__u64 route_length;
__u64 drop_length;
-} WIRE_ATTR;
+} __packed;
#define LNET_NI_STATUS_UP 0x15aac0de
#define LNET_NI_STATUS_DOWN 0xdeadface
diff --git a/drivers/staging/lustre/include/uapi/linux/lnet/lnetst.h b/drivers/staging/lustre/include/uapi/linux/lnet/lnetst.h
index a4f9ff01d458..7edba2c5bb87 100644
--- a/drivers/staging/lustre/include/uapi/linux/lnet/lnetst.h
+++ b/drivers/staging/lustre/include/uapi/linux/lnet/lnetst.h
@@ -542,7 +542,7 @@ struct srpc_counters {
__u32 rpcs_expired;
__u64 bulk_get;
__u64 bulk_put;
-} WIRE_ATTR;
+} __packed;
struct sfw_counters {
/** milliseconds since current session started */
@@ -551,6 +551,6 @@ struct sfw_counters {
__u32 zombie_sessions;
__u32 brw_errors;
__u32 ping_errors;
-} WIRE_ATTR;
+} __packed;
#endif
diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h
index 217503f125bc..7d8429672616 100644
--- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h
+++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h
@@ -359,45 +359,45 @@ struct kib_connparams {
__u16 ibcp_queue_depth;
__u16 ibcp_max_frags;
__u32 ibcp_max_msg_size;
-} WIRE_ATTR;
+} __packed;
struct kib_immediate_msg {
struct lnet_hdr ibim_hdr; /* portals header */
char ibim_payload[0]; /* piggy-backed payload */
-} WIRE_ATTR;
+} __packed;
struct kib_rdma_frag {
__u32 rf_nob; /* # bytes this frag */
__u64 rf_addr; /* CAVEAT EMPTOR: misaligned!! */
-} WIRE_ATTR;
+} __packed;
struct kib_rdma_desc {
__u32 rd_key; /* local/remote key */
__u32 rd_nfrags; /* # fragments */
struct kib_rdma_frag rd_frags[0]; /* buffer frags */
-} WIRE_ATTR;
+} __packed;
struct kib_putreq_msg {
struct lnet_hdr ibprm_hdr; /* portals header */
__u64 ibprm_cookie; /* opaque completion cookie */
-} WIRE_ATTR;
+} __packed;
struct kib_putack_msg {
__u64 ibpam_src_cookie; /* reflected completion cookie */
__u64 ibpam_dst_cookie; /* opaque completion cookie */
struct kib_rdma_desc ibpam_rd; /* sender's sink buffer */
-} WIRE_ATTR;
+} __packed;
struct kib_get_msg {
struct lnet_hdr ibgm_hdr; /* portals header */
__u64 ibgm_cookie; /* opaque completion cookie */
struct kib_rdma_desc ibgm_rd; /* rdma descriptor */
-} WIRE_ATTR;
+} __packed;
struct kib_completion_msg {
__u64 ibcm_cookie; /* opaque completion cookie */
__s32 ibcm_status; /* < 0 failure: >= 0 length */
-} WIRE_ATTR;
+} __packed;
struct kib_msg {
/* First 2 fields fixed FOR ALL TIME */
@@ -420,8 +420,8 @@ struct kib_msg {
struct kib_putack_msg putack;
struct kib_get_msg get;
struct kib_completion_msg completion;
- } WIRE_ATTR ibm_u;
-} WIRE_ATTR;
+ } __packed ibm_u;
+} __packed;
#define IBLND_MSG_MAGIC LNET_PROTO_IB_MAGIC /* unique magic */
@@ -447,7 +447,7 @@ struct kib_rej {
__u8 ibr_padding; /* padding */
__u64 ibr_incarnation; /* incarnation of peer */
struct kib_connparams ibr_cp; /* connection parameters */
-} WIRE_ATTR;
+} __packed;
/* connection rejection reasons */
#define IBLND_REJECT_CONN_RACE 1 /* You lost connection race */
diff --git a/drivers/staging/lustre/lnet/selftest/rpc.h b/drivers/staging/lustre/lnet/selftest/rpc.h
index 465b5b534423..9ce336739449 100644
--- a/drivers/staging/lustre/lnet/selftest/rpc.h
+++ b/drivers/staging/lustre/lnet/selftest/rpc.h
@@ -72,12 +72,12 @@ enum srpc_msg_type {
struct srpc_generic_reqst {
__u64 rpyid; /* reply buffer matchbits */
__u64 bulkid; /* bulk buffer matchbits */
-} WIRE_ATTR;
+} __packed;
struct srpc_generic_reply {
__u32 status;
struct lst_sid sid;
-} WIRE_ATTR;
+} __packed;
/* FRAMEWORK RPCs */
struct srpc_mksn_reqst {
@@ -85,30 +85,30 @@ struct srpc_mksn_reqst {
struct lst_sid mksn_sid; /* session id */
__u32 mksn_force; /* use brute force */
char mksn_name[LST_NAME_SIZE];
-} WIRE_ATTR; /* make session request */
+} __packed; /* make session request */
struct srpc_mksn_reply {
__u32 mksn_status; /* session status */
struct lst_sid mksn_sid; /* session id */
__u32 mksn_timeout; /* session timeout */
char mksn_name[LST_NAME_SIZE];
-} WIRE_ATTR; /* make session reply */
+} __packed; /* make session reply */
struct srpc_rmsn_reqst {
__u64 rmsn_rpyid; /* reply buffer matchbits */
struct lst_sid rmsn_sid; /* session id */
-} WIRE_ATTR; /* remove session request */
+} __packed; /* remove session request */
struct srpc_rmsn_reply {
__u32 rmsn_status;
struct lst_sid rmsn_sid; /* session id */
-} WIRE_ATTR; /* remove session reply */
+} __packed; /* remove session reply */
struct srpc_join_reqst {
__u64 join_rpyid; /* reply buffer matchbits */
struct lst_sid join_sid; /* session id to join */
char join_group[LST_NAME_SIZE]; /* group name */
-} WIRE_ATTR;
+} __packed;
struct srpc_join_reply {
__u32 join_status; /* returned status */
@@ -117,13 +117,13 @@ struct srpc_join_reply {
* expire
*/
char join_session[LST_NAME_SIZE]; /* session name */
-} WIRE_ATTR;
+} __packed;
struct srpc_debug_reqst {
__u64 dbg_rpyid; /* reply buffer matchbits */
struct lst_sid dbg_sid; /* session id */
__u32 dbg_flags; /* bitmap of debug */
-} WIRE_ATTR;
+} __packed;
struct srpc_debug_reply {
__u32 dbg_status; /* returned code */
@@ -131,7 +131,7 @@ struct srpc_debug_reply {
__u32 dbg_timeout; /* session timeout */
__u32 dbg_nbatch; /* # of batches in the node */
char dbg_name[LST_NAME_SIZE]; /* session name */
-} WIRE_ATTR;
+} __packed;
#define SRPC_BATCH_OPC_RUN 1
#define SRPC_BATCH_OPC_STOP 2
@@ -144,20 +144,20 @@ struct srpc_batch_reqst {
__u32 bar_opc; /* create/start/stop batch */
__u32 bar_testidx; /* index of test */
__u32 bar_arg; /* parameters */
-} WIRE_ATTR;
+} __packed;
struct srpc_batch_reply {
__u32 bar_status; /* status of request */
struct lst_sid bar_sid; /* session id */
__u32 bar_active; /* # of active tests in batch/test */
__u32 bar_time; /* remained time */
-} WIRE_ATTR;
+} __packed;
struct srpc_stat_reqst {
__u64 str_rpyid; /* reply buffer matchbits */
struct lst_sid str_sid; /* session id */
__u32 str_type; /* type of stat */
-} WIRE_ATTR;
+} __packed;
struct srpc_stat_reply {
__u32 str_status;
@@ -165,25 +165,25 @@ struct srpc_stat_reply {
struct sfw_counters str_fw;
struct srpc_counters str_rpc;
struct lnet_counters str_lnet;
-} WIRE_ATTR;
+} __packed;
struct test_bulk_req {
__u32 blk_opc; /* bulk operation code */
__u32 blk_npg; /* # of pages */
__u32 blk_flags; /* reserved flags */
-} WIRE_ATTR;
+} __packed;
struct test_bulk_req_v1 {
__u16 blk_opc; /* bulk operation code */
__u16 blk_flags; /* data check flags */
__u32 blk_len; /* data length */
__u32 blk_offset; /* offset */
-} WIRE_ATTR;
+} __packed;
struct test_ping_req {
__u32 png_size; /* size of ping message */
__u32 png_flags; /* reserved flags */
-} WIRE_ATTR;
+} __packed;
struct srpc_test_reqst {
__u64 tsr_rpyid; /* reply buffer matchbits */
@@ -204,12 +204,12 @@ struct srpc_test_reqst {
struct test_bulk_req bulk_v0;
struct test_bulk_req_v1 bulk_v1;
} tsr_u;
-} WIRE_ATTR;
+} __packed;
struct srpc_test_reply {
__u32 tsr_status; /* returned code */
struct lst_sid tsr_sid;
-} WIRE_ATTR;
+} __packed;
/* TEST RPCs */
struct srpc_ping_reqst {
@@ -218,13 +218,13 @@ struct srpc_ping_reqst {
__u32 pnr_seq;
__u64 pnr_time_sec;
__u64 pnr_time_usec;
-} WIRE_ATTR;
+} __packed;
struct srpc_ping_reply {
__u32 pnr_status;
__u32 pnr_magic;
__u32 pnr_seq;
-} WIRE_ATTR;
+} __packed;
struct srpc_brw_reqst {
__u64 brw_rpyid; /* reply buffer matchbits */
@@ -232,11 +232,11 @@ struct srpc_brw_reqst {
__u32 brw_rw; /* read or write */
__u32 brw_len; /* bulk data len */
__u32 brw_flags; /* bulk data patterns */
-} WIRE_ATTR; /* bulk r/w request */
+} __packed; /* bulk r/w request */
struct srpc_brw_reply {
__u32 brw_status;
-} WIRE_ATTR; /* bulk r/w reply */
+} __packed; /* bulk r/w reply */
#define SRPC_MSG_MAGIC 0xeeb0f00d
#define SRPC_MSG_VERSION 1
@@ -272,7 +272,7 @@ struct srpc_msg {
struct srpc_brw_reqst brw_reqst;
struct srpc_brw_reply brw_reply;
} msg_body;
-} WIRE_ATTR;
+} __packed;
static inline void
srpc_unpack_msg_hdr(struct srpc_msg *msg)
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