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blk_end_request: remove/unexport end_that_request_* (take 4) 

This patch removes the following functions:
  o end_that_request_first()
  o end_that_request_chunk()
and stops exporting the functions below:
  o end_that_request_last()

Cc: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Kiyoshi Ueda 2007-12-11 17:52:28 -05:00 committed by Jens Axboe
parent 610d8b0c97
commit 3bcddeac1c
2 changed files with 20 additions and 54 deletions
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61
block/ll_rw_blk.c
View File

@ -3432,6 +3432,20 @@ static void blk_recalc_rq_sectors(struct request *rq, int nsect)
}
}
/**
* __end_that_request_first - end I/O on a request
* @req: the request being processed
* @uptodate: 1 for success, 0 for I/O error, < 0 for specific error
* @nr_bytes: number of bytes to complete
*
* Description:
* Ends I/O on a number of bytes attached to @req, and sets it up
* for the next range of segments (if any) in the cluster.
*
* Return:
* 0 - we are done with this request, call end_that_request_last()
* 1 - still buffers pending for this request
**/
static int __end_that_request_first(struct request *req, int uptodate,
int nr_bytes)
{
@ -3548,49 +3562,6 @@ static int __end_that_request_first(struct request *req, int uptodate,
return 1;
}
/**
* end_that_request_first - end I/O on a request
* @req: the request being processed
* @uptodate: 1 for success, 0 for I/O error, < 0 for specific error
* @nr_sectors: number of sectors to end I/O on
*
* Description:
* Ends I/O on a number of sectors attached to @req, and sets it up
* for the next range of segments (if any) in the cluster.
*
* Return:
* 0 - we are done with this request, call end_that_request_last()
* 1 - still buffers pending for this request
**/
int end_that_request_first(struct request *req, int uptodate, int nr_sectors)
{
return __end_that_request_first(req, uptodate, nr_sectors << 9);
}
EXPORT_SYMBOL(end_that_request_first);
/**
* end_that_request_chunk - end I/O on a request
* @req: the request being processed
* @uptodate: 1 for success, 0 for I/O error, < 0 for specific error
* @nr_bytes: number of bytes to complete
*
* Description:
* Ends I/O on a number of bytes attached to @req, and sets it up
* for the next range of segments (if any). Like end_that_request_first(),
* but deals with bytes instead of sectors.
*
* Return:
* 0 - we are done with this request, call end_that_request_last()
* 1 - still buffers pending for this request
**/
int end_that_request_chunk(struct request *req, int uptodate, int nr_bytes)
{
return __end_that_request_first(req, uptodate, nr_bytes);
}
EXPORT_SYMBOL(end_that_request_chunk);
/*
* splice the completion data to a local structure and hand off to
* process_completion_queue() to complete the requests
@ -3670,7 +3641,7 @@ EXPORT_SYMBOL(blk_complete_request);
/*
* queue lock must be held
*/
void end_that_request_last(struct request *req, int uptodate)
static void end_that_request_last(struct request *req, int uptodate)
{
struct gendisk *disk = req->rq_disk;
int error;
@ -3705,8 +3676,6 @@ void end_that_request_last(struct request *req, int uptodate)
__blk_put_request(req->q, req);
}
EXPORT_SYMBOL(end_that_request_last);
static inline void __end_request(struct request *rq, int uptodate,
unsigned int nr_bytes)
{

13
include/linux/blkdev.h
View File

@ -718,21 +718,18 @@ static inline void blk_run_address_space(struct address_space *mapping)
}
/*
* end_request() and friends. Must be called with the request queue spinlock
* acquired. All functions called within end_request() _must_be_ atomic.
* blk_end_request() and friends.
* __blk_end_request() and end_request() must be called with
* the request queue spinlock acquired.
*
* Several drivers define their own end_request and call
* end_that_request_first() and end_that_request_last()
* for parts of the original function. This prevents
* code duplication in drivers.
* blk_end_request() for parts of the original function.
* This prevents code duplication in drivers.
*/
extern int blk_end_request(struct request *rq, int error, int nr_bytes);
extern int __blk_end_request(struct request *rq, int error, int nr_bytes);
extern int blk_end_bidi_request(struct request *rq, int error, int nr_bytes,
int bidi_bytes);
extern int end_that_request_first(struct request *, int, int);
extern int end_that_request_chunk(struct request *, int, int);
extern void end_that_request_last(struct request *, int);
extern void end_request(struct request *, int);
extern void end_queued_request(struct request *, int);
extern void end_dequeued_request(struct request *, int);