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SUNRPC: Reorder the struct rpc_task fields

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This improves the packing of the rpc_task, and ensures that on 64-bit
platforms the size reduces to 216 bytes.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust
2010-05-13 12:51:50 -04:00
parent d72b6cec8d
commit 9bb0b8136a
1 changed files with 6 additions and 6 deletions
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12
include/linux/sunrpc/sched.h
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@@ -45,14 +45,11 @@ struct rpc_task {
struct list_head tk_task; /* global list of tasks */ struct list_head tk_task; /* global list of tasks */
struct rpc_clnt * tk_client; /* RPC client */ struct rpc_clnt * tk_client; /* RPC client */
struct rpc_rqst * tk_rqstp; /* RPC request */ struct rpc_rqst * tk_rqstp; /* RPC request */
int tk_status; /* result of last operation */
/* /*
* RPC call state * RPC call state
*/ */
struct rpc_message tk_msg; /* RPC call info */ struct rpc_message tk_msg; /* RPC call info */
__u8 tk_garb_retry;
__u8 tk_cred_retry;
/* /*
* callback to be executed after waking up * callback to be executed after waking up
@@ -65,7 +62,6 @@ struct rpc_task {
void * tk_calldata; void * tk_calldata;
unsigned long tk_timeout; /* timeout for rpc_sleep() */ unsigned long tk_timeout; /* timeout for rpc_sleep() */
unsigned short tk_flags; /* misc flags */
unsigned long tk_runstate; /* Task run status */ unsigned long tk_runstate; /* Task run status */
struct workqueue_struct *tk_workqueue; /* Normally rpciod, but could struct workqueue_struct *tk_workqueue; /* Normally rpciod, but could
* be any workqueue * be any workqueue
@@ -76,15 +72,19 @@ struct rpc_task {
struct rpc_wait tk_wait; /* RPC wait */ struct rpc_wait tk_wait; /* RPC wait */
} u; } u;
unsigned short tk_timeouts; /* maj timeouts */
ktime_t tk_start; /* RPC task init timestamp */ ktime_t tk_start; /* RPC task init timestamp */
pid_t tk_owner; /* Process id for batching tasks */ pid_t tk_owner; /* Process id for batching tasks */
unsigned char tk_priority : 2;/* Task priority */ int tk_status; /* result of last operation */
unsigned short tk_flags; /* misc flags */
unsigned short tk_timeouts; /* maj timeouts */
#ifdef RPC_DEBUG #ifdef RPC_DEBUG
unsigned short tk_pid; /* debugging aid */ unsigned short tk_pid; /* debugging aid */
#endif #endif
unsigned char tk_priority : 2,/* Task priority */
tk_garb_retry : 2,
tk_cred_retry : 2;
}; };
#define tk_xprt tk_client->cl_xprt #define tk_xprt tk_client->cl_xprt