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authorChristoph Hellwig <hch@infradead.org>2013-10-04 06:49:11 -0700
committerJens Axboe <axboe@kernel.dk>2013-10-25 11:55:59 +0100
commit71fe07d040626de7b72244bf6de889c2e0f5aea3 (patch)
tree6c4d6bed7e8510fb2c9a105dba62d2342e6fc897 /include/linux/blkdev.h
parent5953316dbf90067ebdeca626c34488bc166b73a8 (diff)
downloadop-kernel-dev-71fe07d040626de7b72244bf6de889c2e0f5aea3.zip
op-kernel-dev-71fe07d040626de7b72244bf6de889c2e0f5aea3.tar.gz
block: remove request ref_count
This reference count has been around since before git history, but the only place where it's used is in blk_execute_rq, and ther it is entirely useless as it is incremented before submitting the request and decremented in the end_io handler before waking up the submitter thread. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux/blkdev.h')
-rw-r--r--include/linux/blkdev.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index f5c7596..0a8da96 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -160,8 +160,6 @@ struct request {
unsigned short ioprio;
- int ref_count;
-
void *special; /* opaque pointer available for LLD use */
char *buffer; /* kaddr of the current segment if available */
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