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| author | David Woodhouse <dwmw2@infradead.org> | 2006-10-01 20:55:53 +0400 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2006-10-01 20:55:53 +0400 |
| commit | 8a84fc15ae5cafcc366dd85cf8e1ab2040679abc (patch) | |
| tree | 5d8dce194c9667fa92e9ec9f545cec867a9a1e0d /include/scsi/scsi_tcq.h | |
| parent | 28b79ff9661b22e4c41c0d00d4ab8503e810f13d (diff) | |
| parent | 82965addad66fce61a92c5f03104ea90b0b87124 (diff) | |
| download | linux-8a84fc15ae5cafcc366dd85cf8e1ab2040679abc.tar.xz | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Manually resolve conflict in include/mtd/Kbuild
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Diffstat (limited to 'include/scsi/scsi_tcq.h')
| -rw-r--r-- | include/scsi/scsi_tcq.h | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/include/scsi/scsi_tcq.h b/include/scsi/scsi_tcq.h index e47e36a4ef49..c247a28259bc 100644 --- a/include/scsi/scsi_tcq.h +++ b/include/scsi/scsi_tcq.h @@ -4,7 +4,7 @@ #include <linux/blkdev.h> #include <scsi/scsi_cmnd.h> #include <scsi/scsi_device.h> - +#include <scsi/scsi_host.h> #define MSG_SIMPLE_TAG 0x20 #define MSG_HEAD_TAG 0x21 @@ -13,6 +13,7 @@ #define SCSI_NO_TAG (-1) /* identify no tag in use */ +#ifdef CONFIG_BLOCK /** * scsi_get_tag_type - get the type of tag the device supports @@ -66,7 +67,8 @@ static inline void scsi_activate_tcq(struct scsi_device *sdev, int depth) return; if (!blk_queue_tagged(sdev->request_queue)) - blk_queue_init_tags(sdev->request_queue, depth, NULL); + blk_queue_init_tags(sdev->request_queue, depth, + sdev->host->bqt); scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), depth); } @@ -98,7 +100,7 @@ static inline int scsi_populate_tag_msg(struct scsi_cmnd *cmd, char *msg) struct scsi_device *sdev = cmd->device; if (blk_rq_tagged(req)) { - if (sdev->ordered_tags && req->flags & REQ_HARDBARRIER) + if (sdev->ordered_tags && req->cmd_flags & REQ_HARDBARRIER) *msg++ = MSG_ORDERED_TAG; else *msg++ = MSG_SIMPLE_TAG; @@ -131,4 +133,16 @@ static inline struct scsi_cmnd *scsi_find_tag(struct scsi_device *sdev, int tag) return sdev->current_cmnd; } +/** + * scsi_init_shared_tag_map - create a shared tag map + * @shost: the host to share the tag map among all devices + * @depth: the total depth of the map + */ +static inline int scsi_init_shared_tag_map(struct Scsi_Host *shost, int depth) +{ + shost->bqt = blk_init_tags(depth); + return shost->bqt ? 0 : -ENOMEM; +} + +#endif /* CONFIG_BLOCK */ #endif /* _SCSI_SCSI_TCQ_H */ |