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| author | FUJITA Tomonori <tomof@acm.org> | 2006-12-20 11:18:54 +0100 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2007-07-16 08:52:44 +0200 |
| commit | 337ad41deae1b56e56731246322a93251df86e79 (patch) | |
| tree | 961e38d42e8e7c99c4b48317e48010fa2446332e | |
| parent | 9e69fbb5373f7c081acdf2b75d7bac7e95023dd1 (diff) | |
| download | linux-3.10-337ad41deae1b56e56731246322a93251df86e79.tar.gz linux-3.10-337ad41deae1b56e56731246322a93251df86e79.tar.bz2 linux-3.10-337ad41deae1b56e56731246322a93251df86e79.zip | |
block: export blk_verify_command for SG v4
blk_fill_sghdr_rq doesn't work for SG v4 so verify_command needed to
be exported.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| -rw-r--r-- | block/scsi_ioctl.c | 7 | ||||
| -rw-r--r-- | 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 daded70ffbb..db53b2c268d 100644 --- a/block/scsi_ioctl.c +++ b/block/scsi_ioctl.c @@ -112,7 +112,7 @@ static int sg_emulated_host(request_queue_t *q, int __user *p) #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] = { @@ -212,6 +212,7 @@ static int verify_command(unsigned char *cmd, int has_write_perm) /* 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) @@ -220,7 +221,7 @@ int blk_fill_sghdr_rq(request_queue_t *q, struct request *rq, 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; /* @@ -457,7 +458,7 @@ int sg_scsi_ioctl(struct file *file, struct request_queue *q, 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 53002d40efa..f6bc0d03ffa 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -692,6 +692,7 @@ extern int blk_fill_sghdr_rq(request_queue_t *, struct request *, 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) { |