libata: uninline atapi_cmd_type()

Uninline atapi_cmd_type().  It doesn't really have to be inline and
more case will be added which need to access unexported libata
variable.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 34 insertions, 0 deletions

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 2db5c9c9ca10..e9b69ba489d2 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -326,6 +326,39 @@ static void ata_force_horkage(struct ata_device *dev)
 }
 
 /**
+ *      atapi_cmd_type - Determine ATAPI command type from SCSI opcode
+ *      @opcode: SCSI opcode
+ *
+ *      Determine ATAPI command type from @opcode.
+ *
+ *      LOCKING:
+ *      None.
+ *
+ *      RETURNS:
+ *      ATAPI_{READ|WRITE|READ_CD|PASS_THRU|MISC}
+ */
+int atapi_cmd_type(u8 opcode)
+{
+        switch (opcode) {
+        case GPCMD_READ_10:
+        case GPCMD_READ_12:
+                return ATAPI_READ;
+
+        case GPCMD_WRITE_10:
+        case GPCMD_WRITE_12:
+        case GPCMD_WRITE_AND_VERIFY_10:
+                return ATAPI_WRITE;
+
+        case GPCMD_READ_CD:
+        case GPCMD_READ_CD_MSF:
+                return ATAPI_READ_CD;
+
+        default:
+                return ATAPI_MISC;
+        }
+}
+
+/**
  *      ata_tf_to_fis - Convert ATA taskfile to SATA FIS structure
  *      @tf: Taskfile to convert
  *      @pmp: Port multiplier port
@@ -7774,6 +7807,7 @@ EXPORT_SYMBOL_GPL(ata_tf_read);
 EXPORT_SYMBOL_GPL(ata_noop_dev_select);
 EXPORT_SYMBOL_GPL(ata_std_dev_select);
 EXPORT_SYMBOL_GPL(sata_print_link_status);
+EXPORT_SYMBOL_GPL(atapi_cmd_type);
 EXPORT_SYMBOL_GPL(ata_tf_to_fis);
 EXPORT_SYMBOL_GPL(ata_tf_from_fis);
 EXPORT_SYMBOL_GPL(ata_pack_xfermask);