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authorMike Anderson <andmike@linux.vnet.ibm.com>2008-09-13 20:31:27 +0200
committerJens Axboe <jens.axboe@oracle.com>2008-10-09 08:56:13 +0200
commit11914a53d2ec2974a565311af327b8983d8c820d (patch)
tree72713d2661ed56fa5d9e29203541bad32c88a3ba /include/linux
parent242f9dcb8ba6f68fcd217a119a7648a4f69290e9 (diff)
block: Add interface to abort queued requests
Signed-off-by: Mike Anderson <andmike@linux.vnet.ibm.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/blkdev.h1
-rw-r--r--include/linux/blktrace_api.h2
-rw-r--r--include/linux/elevator.h1
3 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 067f28b80072..37781d6fe045 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -788,6 +788,7 @@ extern int blk_end_request_callback(struct request *rq, int error,
extern void blk_complete_request(struct request *);
extern void __blk_complete_request(struct request *);
extern void blk_abort_request(struct request *);
+extern void blk_abort_queue(struct request_queue *);
/*
* blk_end_request() takes bytes instead of sectors as a complete size.
diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
index 27da2cc682ee..dcaf2452ed1f 100644
--- a/include/linux/blktrace_api.h
+++ b/include/linux/blktrace_api.h
@@ -48,6 +48,7 @@ enum blktrace_act {
__BLK_TA_SPLIT, /* bio was split */
__BLK_TA_BOUNCE, /* bio was bounced */
__BLK_TA_REMAP, /* bio was remapped */
+ __BLK_TA_ABORT, /* request aborted */
};
/*
@@ -78,6 +79,7 @@ enum blktrace_notify {
#define BLK_TA_SPLIT (__BLK_TA_SPLIT)
#define BLK_TA_BOUNCE (__BLK_TA_BOUNCE)
#define BLK_TA_REMAP (__BLK_TA_REMAP | BLK_TC_ACT(BLK_TC_QUEUE))
+#define BLK_TA_ABORT (__BLK_TA_ABORT | BLK_TC_ACT(BLK_TC_QUEUE))
#define BLK_TN_PROCESS (__BLK_TN_PROCESS | BLK_TC_ACT(BLK_TC_NOTIFY))
#define BLK_TN_TIMESTAMP (__BLK_TN_TIMESTAMP | BLK_TC_ACT(BLK_TC_NOTIFY))
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index bb791c311a56..92f6f634e3e6 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -112,6 +112,7 @@ extern struct request *elv_latter_request(struct request_queue *, struct request
extern int elv_register_queue(struct request_queue *q);
extern void elv_unregister_queue(struct request_queue *q);
extern int elv_may_queue(struct request_queue *, int);
+extern void elv_abort_queue(struct request_queue *);
extern void elv_completed_request(struct request_queue *, struct request *);
extern int elv_set_request(struct request_queue *, struct request *, gfp_t);
extern void elv_put_request(struct request_queue *, struct request *);