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scsi: remove unused free discard page in sd_done 

- sd_done isn't called for pc request so we never call the code.
- we use sd_unprep to free discard page now.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
This commit is contained in:
FUJITA Tomonori 2010-07-01 19:49:19 +09:00 committed by Jens Axboe
parent f1126e950d
commit 802447c1c0
1 changed files with 0 additions and 9 deletions
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9
drivers/scsi/sd.c
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@ -1179,15 +1179,6 @@ static int sd_done(struct scsi_cmnd *SCpnt)
int sense_valid = 0;
int sense_deferred = 0;
/*
* If this is a discard request that originated from the kernel
* we need to free our payload here. Note that we need to check
* the request flag as the normal payload rules apply for
* pass-through UNMAP / WRITE SAME requests.
*/
if (SCpnt->request->cmd_flags & REQ_DISCARD)
__free_page(bio_page(SCpnt->request->bio));
if (result) {
sense_valid = scsi_command_normalize_sense(SCpnt, &sshdr);
if (sense_valid)