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    Subject[PATCH 3/3] scsi: remove unused free discard page in sd_done
    Date
    - 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>
    ---
    drivers/scsi/sd.c | 9 ---------
    1 files changed, 0 insertions(+), 9 deletions(-)

    diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
    index 2d4e3a8..aa6b48b 100644
    --- a/drivers/scsi/sd.c
    +++ b/drivers/scsi/sd.c
    @@ -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)
    --
    1.6.5


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