diff options
-rw-r--r-- | drivers/md/raid5.c | 63 |
1 files changed, 2 insertions, 61 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index c4ef3071c290..6f3dd12dd3a4 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c | |||
@@ -3114,68 +3114,9 @@ static void handle_stripe6(struct stripe_head *sh, struct page *tmp_page) | |||
3114 | if (unlikely(blocked_rdev)) | 3114 | if (unlikely(blocked_rdev)) |
3115 | md_wait_for_blocked_rdev(blocked_rdev, conf->mddev); | 3115 | md_wait_for_blocked_rdev(blocked_rdev, conf->mddev); |
3116 | 3116 | ||
3117 | return_io(return_bi); | 3117 | ops_run_io(sh, &s); |
3118 | |||
3119 | for (i=disks; i-- ;) { | ||
3120 | int rw; | ||
3121 | struct bio *bi; | ||
3122 | mdk_rdev_t *rdev; | ||
3123 | if (test_and_clear_bit(R5_Wantwrite, &sh->dev[i].flags)) | ||
3124 | rw = WRITE; | ||
3125 | else if (test_and_clear_bit(R5_Wantread, &sh->dev[i].flags)) | ||
3126 | rw = READ; | ||
3127 | else | ||
3128 | continue; | ||
3129 | |||
3130 | set_bit(STRIPE_IO_STARTED, &sh->state); | ||
3131 | |||
3132 | bi = &sh->dev[i].req; | ||
3133 | |||
3134 | bi->bi_rw = rw; | ||
3135 | if (rw == WRITE) | ||
3136 | bi->bi_end_io = raid5_end_write_request; | ||
3137 | else | ||
3138 | bi->bi_end_io = raid5_end_read_request; | ||
3139 | |||
3140 | rcu_read_lock(); | ||
3141 | rdev = rcu_dereference(conf->disks[i].rdev); | ||
3142 | if (rdev && test_bit(Faulty, &rdev->flags)) | ||
3143 | rdev = NULL; | ||
3144 | if (rdev) | ||
3145 | atomic_inc(&rdev->nr_pending); | ||
3146 | rcu_read_unlock(); | ||
3147 | |||
3148 | if (rdev) { | ||
3149 | if (s.syncing || s.expanding || s.expanded) | ||
3150 | md_sync_acct(rdev->bdev, STRIPE_SECTORS); | ||
3151 | 3118 | ||
3152 | bi->bi_bdev = rdev->bdev; | 3119 | return_io(return_bi); |
3153 | pr_debug("for %llu schedule op %ld on disc %d\n", | ||
3154 | (unsigned long long)sh->sector, bi->bi_rw, i); | ||
3155 | atomic_inc(&sh->count); | ||
3156 | bi->bi_sector = sh->sector + rdev->data_offset; | ||
3157 | bi->bi_flags = 1 << BIO_UPTODATE; | ||
3158 | bi->bi_vcnt = 1; | ||
3159 | bi->bi_max_vecs = 1; | ||
3160 | bi->bi_idx = 0; | ||
3161 | bi->bi_io_vec = &sh->dev[i].vec; | ||
3162 | bi->bi_io_vec[0].bv_len = STRIPE_SIZE; | ||
3163 | bi->bi_io_vec[0].bv_offset = 0; | ||
3164 | bi->bi_size = STRIPE_SIZE; | ||
3165 | bi->bi_next = NULL; | ||
3166 | if (rw == WRITE && | ||
3167 | test_bit(R5_ReWrite, &sh->dev[i].flags)) | ||
3168 | atomic_add(STRIPE_SECTORS, &rdev->corrected_errors); | ||
3169 | generic_make_request(bi); | ||
3170 | } else { | ||
3171 | if (rw == WRITE) | ||
3172 | set_bit(STRIPE_DEGRADED, &sh->state); | ||
3173 | pr_debug("skip op %ld on disc %d for sector %llu\n", | ||
3174 | bi->bi_rw, i, (unsigned long long)sh->sector); | ||
3175 | clear_bit(R5_LOCKED, &sh->dev[i].flags); | ||
3176 | set_bit(STRIPE_HANDLE, &sh->state); | ||
3177 | } | ||
3178 | } | ||
3179 | } | 3120 | } |
3180 | 3121 | ||
3181 | static void handle_stripe(struct stripe_head *sh, struct page *tmp_page) | 3122 | static void handle_stripe(struct stripe_head *sh, struct page *tmp_page) |