diff options
| author | Linus Torvalds <[email protected]> | 2008-08-27 13:55:35 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2008-08-27 13:55:35 -0700 |
| commit | 0559bc8e9bf8cb6063b9bc7206fbc28982491a5d (patch) | |
| tree | 3ec60750466eea38ae6443100b7213f5122e3d21 /include/linux/blkdev.h | |
| parent | e472233fc52d9556cab7d8a1164ccd93ab36fb91 (diff) | |
| parent | 5168c47b4c294412f079dd3cc891e0276bb0479e (diff) | |
Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block
* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
block: remove blk_queue_tag_depth() and blk_queue_tag_queue()
block: remove unused ->busy part of the block queue tag map
bio: fix __bio_copy_iov() handling of bio->bv_len
bio: fix bio_copy_kern() handling of bio->bv_len
block: submit_bh() inadvertently discards barrier flag on a sync write
block: clean up cmdfilter sysfs interface
block: rename blk_scsi_cmd_filter to blk_cmd_filter
sg: restore command permission for TYPE_SCANNER
block: move cmdfilter from gendisk to request_queue
Diffstat (limited to 'include/linux/blkdev.h')
| -rw-r--r-- | include/linux/blkdev.h | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index e61f22be4d0e..44710d7e7bff 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -280,6 +280,15 @@ struct blk_queue_tag { atomic_t refcnt; /* map can be shared */ }; +#define BLK_SCSI_MAX_CMDS (256) +#define BLK_SCSI_CMD_PER_LONG (BLK_SCSI_MAX_CMDS / (sizeof(long) * 8)) + +struct blk_cmd_filter { + unsigned long read_ok[BLK_SCSI_CMD_PER_LONG]; + unsigned long write_ok[BLK_SCSI_CMD_PER_LONG]; + struct kobject kobj; +}; + struct request_queue { /* @@ -398,6 +407,7 @@ struct request_queue #if defined(CONFIG_BLK_DEV_BSG) struct bsg_class_device bsg_dev; #endif + struct blk_cmd_filter cmd_filter; }; #define QUEUE_FLAG_CLUSTER 0 /* cluster several segments into 1 */ @@ -807,8 +817,6 @@ extern void blk_put_queue(struct request_queue *); /* * tag stuff */ -#define blk_queue_tag_depth(q) ((q)->queue_tags->busy) -#define blk_queue_tag_queue(q) ((q)->queue_tags->busy < (q)->queue_tags->max_depth) #define blk_rq_tagged(rq) ((rq)->cmd_flags & REQ_QUEUED) extern int blk_queue_start_tag(struct request_queue *, struct request *); extern struct request *blk_queue_find_tag(struct request_queue *, int); @@ -833,11 +841,11 @@ extern int blkdev_issue_flush(struct block_device *, sector_t *); /* * command filter functions */ -extern int blk_verify_command(struct file *file, unsigned char *cmd); -extern int blk_cmd_filter_verify_command(struct blk_scsi_cmd_filter *filter, - unsigned char *cmd, mode_t *f_mode); +extern int blk_verify_command(struct blk_cmd_filter *filter, + unsigned char *cmd, int has_write_perm); extern int blk_register_filter(struct gendisk *disk); extern void blk_unregister_filter(struct gendisk *disk); +extern void blk_set_cmd_filter_defaults(struct blk_cmd_filter *filter); #define MAX_PHYS_SEGMENTS 128 #define MAX_HW_SEGMENTS 128 |