patch-2.3.9 linux/drivers/block/raid1.c

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diff -u --recursive --new-file v2.3.8/linux/drivers/block/raid1.c linux/drivers/block/raid1.c
@@ -310,7 +310,7 @@
 		mirror_bh [i]->b_rdev 	    = raid_conf->mirrors [i].dev;
 		mirror_bh [i]->b_rsector    = bh->b_rsector;
 		mirror_bh [i]->b_state      = (1<<BH_Req) | (1<<BH_Dirty);
-		mirror_bh [i]->b_count      = 1;
+		atomic_set(&mirror_bh [i]->b_count, 1);
 		mirror_bh [i]->b_size       = bh->b_size;
 		mirror_bh [i]->b_data       = bh->b_data;
 		mirror_bh [i]->b_list       = BUF_LOCKED;

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