sg: remove b_malloc_len in sg_scatter_hold struct

It's not used for anything useful after the block layer conversion.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 2c30331..ccce31a 100644 (file)
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -116,7 +116,6 @@ typedef struct sg_scatter_hold { /* holding area for scsi scatter gather info */
        unsigned short k_use_sg; /* Count of kernel scatter-gather pieces */
        unsigned sglist_len; /* size of malloc'd scatter-gather list ++ */
        unsigned bufflen;       /* Size of (aggregate) data buffer */
-       unsigned b_malloc_len;  /* actual len malloc'ed in buffer */
        struct page **pages;
        int page_order;
        char dio_in_use;        /* 0->indirect IO (or mmap), 1->dio */
@@ -1986,7 +1985,6 @@ sg_link_reserve(Sg_fd * sfp, Sg_request * srp, int size)
                        req_schp->pages = rsv_schp->pages;
 
                        req_schp->bufflen = size;
-                       req_schp->b_malloc_len = rsv_schp->b_malloc_len;
                        req_schp->page_order = rsv_schp->page_order;
                        break;
                } else