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-rw-r--r--include/linux/genhd.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 524ec96..e878741 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -110,6 +110,14 @@ struct hd_struct {
#define GENHD_FL_SUPPRESS_PARTITION_INFO 32
#define GENHD_FL_FAIL 64
+#define BLK_SCSI_MAX_CMDS (256)
+#define BLK_SCSI_CMD_PER_LONG (BLK_SCSI_MAX_CMDS / (sizeof(long) * 8))
+
+struct blk_scsi_cmd_filter {
+ unsigned long read_ok[BLK_SCSI_CMD_PER_LONG];
+ unsigned long write_ok[BLK_SCSI_CMD_PER_LONG];
+ struct kobject kobj;
+};
struct gendisk {
int major; /* major number of driver */
@@ -120,6 +128,7 @@ struct gendisk {
struct hd_struct **part; /* [indexed by minor] */
struct block_device_operations *fops;
struct request_queue *queue;
+ struct blk_scsi_cmd_filter cmd_filter;
void *private_data;
sector_t capacity;
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