[PATCH 1/3] block: export blk_verify_command for SG v4

[FUJITA Tomonori]

blk_fill_sghdr_rq doesn't work for SG v4 so verify_command needed to
be exported.

Signed-off-by: FUJITA Tomonori <[EMAIL PROTECTED]>

---
 block/scsi_ioctl.c     |    7 ++++---
 include/linux/blkdev.h |    1 +
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index e74f807..751f32b 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -110,7 +110,7 @@ #define CMD_WARNED  0x04
 #define safe_for_read(cmd)     [cmd] = CMD_READ_SAFE
 #define safe_for_write(cmd)    [cmd] = CMD_WRITE_SAFE
 
-static int verify_command(unsigned char *cmd, int has_write_perm)
+int blk_verify_command(unsigned char *cmd, int has_write_perm)
 {
        static unsigned char cmd_type[256] = {
 
@@ -210,6 +210,7 @@ static int verify_command(unsigned char 
        /* Otherwise fail it with an "Operation not permitted" */
        return -EPERM;
 }
+EXPORT_SYMBOL_GPL(blk_verify_command);
 
 int blk_fill_sghdr_rq(request_queue_t *q, struct request *rq,
                      struct sg_io_hdr *hdr, int has_write_perm)
@@ -218,7 +219,7 @@ int blk_fill_sghdr_rq(request_queue_t *q
 
        if (copy_from_user(rq->cmd, hdr->cmdp, hdr->cmd_len))
                return -EFAULT;
-       if (verify_command(rq->cmd, has_write_perm))
+       if (blk_verify_command(rq->cmd, has_write_perm))
                return -EPERM;
 
        /*
@@ -456,7 +457,7 @@ int sg_scsi_ioctl(struct file *file, str
        if (in_len && copy_from_user(buffer, sic->data + cmdlen, in_len))
                goto error;
 
-       err = verify_command(rq->cmd, file->f_mode & FMODE_WRITE);
+       err = blk_verify_command(rq->cmd, file->f_mode & FMODE_WRITE);
        if (err)
                goto error;
 
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 28ee679..492dc96 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -694,6 +694,7 @@ extern int blk_fill_sghdr_rq(request_que
 extern int blk_unmap_sghdr_rq(struct request *, struct sg_io_hdr *);
 extern int blk_complete_sghdr_rq(struct request *, struct sg_io_hdr *,
                          struct bio *);
+extern int blk_verify_command(unsigned char *, int);
 
 static inline request_queue_t *bdev_get_queue(struct block_device *bdev)
 {
-- 
1.4.1.1


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