skd: Use __packed only when needed

KAGA-KOKO · axboe · commit 53e617e3dd5f · 2017-08-18T08:45:29.000-06:00
Since needless use of __packed slows down access to data structures,
only use __packed when needed.

Signed-off-by: Bart Van Assche &lt;bart.vanassche@wdc.com&gt;
Cc: Christoph Hellwig &lt;hch@lst.de&gt;
Cc: Hannes Reinecke &lt;hare@suse.de&gt;
Cc: Johannes Thumshirn &lt;jthumshirn@suse.de&gt;
Signed-off-by: Jens Axboe &lt;axboe@kernel.dk&gt;
diff --git a/drivers/block/skd_s1120.h b/drivers/block/skd_s1120.h
@@ -10,8 +10,6 @@
 #ifndef SKD_S1120_H
 #define SKD_S1120_H
 
-#pragma pack(push, s1120_h, 1)
-
 /*
  * Q-channel, 64-bit r/w
  */
@@ -276,7 +274,7 @@ struct fit_comp_error_info {
 	uint16_t	sks_low; /* 10: Sense Key Specific (LSW) */
 	uint16_t	reserved3; /* 12: Part of additional sense bytes (unused) */
 	uint16_t	uec; /* 14: Additional Sense Bytes */
-	uint64_t	per; /* 16: Additional Sense Bytes */
+	uint64_t	per __packed; /* 16: Additional Sense Bytes */
 	uint8_t		reserved4[2]; /* 1E: Additional Sense Bytes (unused) */
 };
 
@@ -323,6 +321,4 @@ struct driver_inquiry_data {
 	uint8_t		driver_version[0x14];
 };
 
-#pragma pack(pop, s1120_h)
-
 #endif /* SKD_S1120_H */
