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authorIngo Molnar <mingo@kernel.org>2012-04-14 13:18:27 +0200
committerIngo Molnar <mingo@kernel.org>2012-04-14 13:19:04 +0200
commit6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e (patch)
tree021cc9f6b477146fcebe6f3be4752abfa2ba18a9 /include/scsi/scsi_cmnd.h
parent682968e0c425c60f0dde37977e5beb2b12ddc4cc (diff)
parenta385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (diff)
Merge branch 'perf/core' into perf/uprobes
Merge in latest upstream (and the latest perf development tree), to prepare for tooling changes, and also to pick up v3.4 MM changes that the uprobes code needs to take care of. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/scsi/scsi_cmnd.h')
-rw-r--r--include/scsi/scsi_cmnd.h12
1 files changed, 9 insertions, 3 deletions
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index a5e885a111df..377df4a28512 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -10,6 +10,7 @@
struct Scsi_Host;
struct scsi_device;
+struct scsi_driver;
/*
* MAX_COMMAND_SIZE is:
@@ -131,6 +132,11 @@ struct scsi_cmnd {
unsigned char tag; /* SCSI-II queued command tag */
};
+static inline struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd)
+{
+ return *(struct scsi_driver **)cmd->request->rq_disk->private_data;
+}
+
extern struct scsi_cmnd *scsi_get_command(struct scsi_device *, gfp_t);
extern struct scsi_cmnd *__scsi_get_command(struct Scsi_Host *, gfp_t);
extern void scsi_put_command(struct scsi_cmnd *);
@@ -289,17 +295,17 @@ static inline struct scsi_data_buffer *scsi_prot(struct scsi_cmnd *cmd)
static inline void set_msg_byte(struct scsi_cmnd *cmd, char status)
{
- cmd->result |= status << 8;
+ cmd->result = (cmd->result & 0xffff00ff) | (status << 8);
}
static inline void set_host_byte(struct scsi_cmnd *cmd, char status)
{
- cmd->result |= status << 16;
+ cmd->result = (cmd->result & 0xff00ffff) | (status << 16);
}
static inline void set_driver_byte(struct scsi_cmnd *cmd, char status)
{
- cmd->result |= status << 24;
+ cmd->result = (cmd->result & 0x00ffffff) | (status << 24);
}
#endif /* _SCSI_SCSI_CMND_H */