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authorBoaz Harrosh <bharrosh@panasas.com>2008-04-30 11:27:26 +0300
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2008-05-02 11:33:25 -0500
commitdb4742dd8f0aa9125b74f9b2516336a75f3d9106 (patch)
tree6820b74e8fbfb13c4eee4c8ef8b59a9132320799 /block
parent64a87b244b9297667ca80264aab849a36f494884 (diff)
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[SCSI] add support for variable length extended commands
Add support for variable-length, extended, and vendor specific CDBs to scsi-ml. It is now possible for initiators and ULD's to issue these types of commands. LLDs need not change much. All they need is to raise the .max_cmd_len to the longest command they support (see iscsi patch). - clean-up some code paths that did not expect commands to be larger than 16, and change cmd_len members' type to short as char is not enough. Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> Signed-off-by: Benny Halevy <bhalevy@panasas.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'block')
-rw-r--r--block/scsi_ioctl.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index a2c3a93..aaf07e4 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -33,13 +33,12 @@
#include <scsi/scsi_cmnd.h>
/* Command group 3 is reserved and should never be used. */
-const unsigned char scsi_command_size[8] =
+const unsigned char scsi_command_size_tbl[8] =
{
6, 10, 10, 12,
16, 12, 10, 10
};
-
-EXPORT_SYMBOL(scsi_command_size);
+EXPORT_SYMBOL(scsi_command_size_tbl);
#include <scsi/sg.h>