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authorDavid S. Miller <davem@davemloft.net>2010-09-09 02:49:04 -0400
committerDavid S. Miller <davem@davemloft.net>2010-09-09 02:49:04 -0400
commite199e6136ce6b151e6638ae93dca60748424d900 (patch)
tree0d66e0b5d227c36b005e4f5537f4bbcfc6ed4904 /include/linux/blktrace_api.h
parent972c40b5bee429c84ba727f8ac0a08292bc5dc3d (diff)
parentd56557af19867edb8c0e96f8e26399698a08857f (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include/linux/blktrace_api.h')
-rw-r--r--include/linux/blktrace_api.h18
1 files changed, 17 insertions, 1 deletions
diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
index 416bf62d6d46..3395cf7130f5 100644
--- a/include/linux/blktrace_api.h
+++ b/include/linux/blktrace_api.h
@@ -5,6 +5,7 @@
5#ifdef __KERNEL__ 5#ifdef __KERNEL__
6#include <linux/blkdev.h> 6#include <linux/blkdev.h>
7#include <linux/relay.h> 7#include <linux/relay.h>
8#include <linux/compat.h>
8#endif 9#endif
9 10
10/* 11/*
@@ -220,11 +221,26 @@ static inline int blk_trace_init_sysfs(struct device *dev)
220 221
221#endif /* CONFIG_BLK_DEV_IO_TRACE */ 222#endif /* CONFIG_BLK_DEV_IO_TRACE */
222 223
224#ifdef CONFIG_COMPAT
225
226struct compat_blk_user_trace_setup {
227 char name[32];
228 u16 act_mask;
229 u32 buf_size;
230 u32 buf_nr;
231 compat_u64 start_lba;
232 compat_u64 end_lba;
233 u32 pid;
234};
235#define BLKTRACESETUP32 _IOWR(0x12, 115, struct compat_blk_user_trace_setup)
236
237#endif
238
223#if defined(CONFIG_EVENT_TRACING) && defined(CONFIG_BLOCK) 239#if defined(CONFIG_EVENT_TRACING) && defined(CONFIG_BLOCK)
224 240
225static inline int blk_cmd_buf_len(struct request *rq) 241static inline int blk_cmd_buf_len(struct request *rq)
226{ 242{
227 return blk_pc_request(rq) ? rq->cmd_len * 3 : 1; 243 return (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? rq->cmd_len * 3 : 1;
228} 244}
229 245
230extern void blk_dump_cmd(char *buf, struct request *rq); 246extern void blk_dump_cmd(char *buf, struct request *rq);