1 files changed, 0 insertions, 124 deletions

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 7e1cc07f3177..0b66afef2d82 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -1516,130 +1516,6 @@ static void copy_data(int frombio, struct bio *bio,
                            }                                              \
                         } while(0)
 
-
-static void compute_block(struct stripe_head *sh, int dd_idx)
-{
-        int i, count, disks = sh->disks;
-        void *ptr[MAX_XOR_BLOCKS], *dest, *p;
-
-        pr_debug("compute_block, stripe %llu, idx %d\n",
-                (unsigned long long)sh->sector, dd_idx);
-
-        dest = page_address(sh->dev[dd_idx].page);
-        memset(dest, 0, STRIPE_SIZE);
-        count = 0;
-        for (i = disks ; i--; ) {
-                if (i == dd_idx)
-                        continue;
-                p = page_address(sh->dev[i].page);
-                if (test_bit(R5_UPTODATE, &sh->dev[i].flags))
-                        ptr[count++] = p;
-                else
-                        printk(KERN_ERR "compute_block() %d, stripe %llu, %d"
-                                " not present\n", dd_idx,
-                                (unsigned long long)sh->sector, i);
-
-                check_xor();
-        }
-        if (count)
-                xor_blocks(count, STRIPE_SIZE, dest, ptr);
-        set_bit(R5_UPTODATE, &sh->dev[dd_idx].flags);
-}
-
-static void compute_parity5(struct stripe_head *sh, int method)
-{
-        raid5_conf_t *conf = sh->raid_conf;
-        int i, pd_idx = sh->pd_idx, disks = sh->disks, count;
-        void *ptr[MAX_XOR_BLOCKS], *dest;
-        struct bio *chosen;
-
-        pr_debug("compute_parity5, stripe %llu, method %d\n",
-                (unsigned long long)sh->sector, method);
-
-        count = 0;
-        dest = page_address(sh->dev[pd_idx].page);
-        switch(method) {
-        case READ_MODIFY_WRITE:
-                BUG_ON(!test_bit(R5_UPTODATE, &sh->dev[pd_idx].flags));
-                for (i=disks ; i-- ;) {
-                        if (i==pd_idx)
-                                continue;
-                        if (sh->dev[i].towrite &&
-                            test_bit(R5_UPTODATE, &sh->dev[i].flags)) {
-                                ptr[count++] = page_address(sh->dev[i].page);
-                                chosen = sh->dev[i].towrite;
-                                sh->dev[i].towrite = NULL;
-
-                                if (test_and_clear_bit(R5_Overlap, &sh->dev[i].flags))
-                                        wake_up(&conf->wait_for_overlap);
-
-                                BUG_ON(sh->dev[i].written);
-                                sh->dev[i].written = chosen;
-                                check_xor();
-                        }
-                }
-                break;
-        case RECONSTRUCT_WRITE:
-                memset(dest, 0, STRIPE_SIZE);
-                for (i= disks; i-- ;)
-                        if (i!=pd_idx && sh->dev[i].towrite) {
-                                chosen = sh->dev[i].towrite;
-                                sh->dev[i].towrite = NULL;
-
-                                if (test_and_clear_bit(R5_Overlap, &sh->dev[i].flags))
-                                        wake_up(&conf->wait_for_overlap);
-
-                                BUG_ON(sh->dev[i].written);
-                                sh->dev[i].written = chosen;
-                        }
-                break;
-        case CHECK_PARITY:
-                break;
-        }
-        if (count) {
-                xor_blocks(count, STRIPE_SIZE, dest, ptr);
-                count = 0;
-        }
-        
-        for (i = disks; i--;)
-                if (sh->dev[i].written) {
-                        sector_t sector = sh->dev[i].sector;
-                        struct bio *wbi = sh->dev[i].written;
-                        while (wbi && wbi->bi_sector < sector + STRIPE_SECTORS) {
-                                copy_data(1, wbi, sh->dev[i].page, sector);
-                                wbi = r5_next_bio(wbi, sector);
-                        }
-
-                        set_bit(R5_LOCKED, &sh->dev[i].flags);
-                        set_bit(R5_UPTODATE, &sh->dev[i].flags);
-                }
-
-        switch(method) {
-        case RECONSTRUCT_WRITE:
-        case CHECK_PARITY:
-                for (i=disks; i--;)
-                        if (i != pd_idx) {
-                                ptr[count++] = page_address(sh->dev[i].page);
-                                check_xor();
-                        }
-                break;
-        case READ_MODIFY_WRITE:
-                for (i = disks; i--;)
-                        if (sh->dev[i].written) {
-                                ptr[count++] = page_address(sh->dev[i].page);
-                                check_xor();
-                        }
-        }
-        if (count)
-                xor_blocks(count, STRIPE_SIZE, dest, ptr);
-
-        if (method != CHECK_PARITY) {
-                set_bit(R5_UPTODATE, &sh->dev[pd_idx].flags);
-                set_bit(R5_LOCKED,   &sh->dev[pd_idx].flags);
-        } else
-                clear_bit(R5_UPTODATE, &sh->dev[pd_idx].flags);
-}
-
 static void compute_parity6(struct stripe_head *sh, int method)
 {
         raid6_conf_t *conf = sh->raid_conf;