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authorIngo Molnar <mingo@elte.hu>2008-10-12 12:39:30 +0200
committerIngo Molnar <mingo@elte.hu>2008-10-12 12:39:50 +0200
commit4c7145a1ec1bb789d5f07e47510e8bda546a7c4a (patch)
treee2767b77e5413473a3bba302237f4669a203f183 /include/scsi/scsi_device.h
parent74e91604b2452c15bbe72d77b37cf47ed0310d13 (diff)
parentfd048088306656824958e7783ffcee27e241b361 (diff)
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Merge branch 'linus' into x86/spinlocks
Done to prevent this failure of an Octopus merge: Added arch/arm/include/asm/byteorder.h in both, but differently. ERROR: Merge conflict in arch/arm/include/asm/byteorder.h Auto-merging include/asm-x86/spinlock.h ERROR: Merge conflict in include/asm-x86/spinlock.h fatal: merge program failed
Diffstat (limited to 'include/scsi/scsi_device.h')
-rw-r--r--include/scsi/scsi_device.h21
1 files changed, 18 insertions, 3 deletions
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 80b2e93c293..b49e725be03 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -42,9 +42,11 @@ enum scsi_device_state {
* originate in the mid-layer) */
SDEV_OFFLINE, /* Device offlined (by error handling or
* user request */
- SDEV_BLOCK, /* Device blocked by scsi lld. No scsi
- * commands from user or midlayer should be issued
- * to the scsi lld. */
+ SDEV_BLOCK, /* Device blocked by scsi lld. No
+ * scsi commands from user or midlayer
+ * should be issued to the scsi
+ * lld. */
+ SDEV_CREATED_BLOCK, /* same as above but for created devices */
};
enum scsi_device_event {
@@ -384,10 +386,23 @@ static inline unsigned int sdev_id(struct scsi_device *sdev)
#define scmd_id(scmd) sdev_id((scmd)->device)
#define scmd_channel(scmd) sdev_channel((scmd)->device)
+/*
+ * checks for positions of the SCSI state machine
+ */
static inline int scsi_device_online(struct scsi_device *sdev)
{
return sdev->sdev_state != SDEV_OFFLINE;
}
+static inline int scsi_device_blocked(struct scsi_device *sdev)
+{
+ return sdev->sdev_state == SDEV_BLOCK ||
+ sdev->sdev_state == SDEV_CREATED_BLOCK;
+}
+static inline int scsi_device_created(struct scsi_device *sdev)
+{
+ return sdev->sdev_state == SDEV_CREATED ||
+ sdev->sdev_state == SDEV_CREATED_BLOCK;
+}
/* accessor functions for the SCSI parameters */
static inline int scsi_device_sync(struct scsi_device *sdev)