mtd: Account for BBT blocks when a partition is being allocated

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Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=fdf43a420f5c2b737b0e65c4c3330867903b098a
Commit:     fdf43a420f5c2b737b0e65c4c3330867903b098a
Parent:     8471bb73ba10ed6788b4f1e9b8a0f9dc6bdb05b5
Author:     Ezequiel Garcia <ezequiel.garcia at free-electrons.com>
AuthorDate: Fri Mar 21 08:57:44 2014 -0300
Committer:  Brian Norris <computersforpeace at gmail.com>
CommitDate: Tue Jul 8 18:38:29 2014 -0700

    mtd: Account for BBT blocks when a partition is being allocated
    
    With the introduction of mtd_block_isreserved(), it's now possible
    to fix the bad and reserved block distribution exposed by ecc_stats,
    instead of accounting all the bad or reserved blocks as 'bad'.
    
    Signed-off-by: Ezequiel Garcia <ezequiel.garcia at free-electrons.com>
    Tested-by: Pekon Gupta <pekon at ti.com>
    Signed-off-by: Brian Norris <computersforpeace at gmail.com>
---
 drivers/mtd/mtdpart.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
index 921e8c6..a3e3a7d 100644
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -535,7 +535,9 @@ static struct mtd_part *allocate_partition(struct mtd_info *master,
 		uint64_t offs = 0;
 
 		while (offs < slave->mtd.size) {
-			if (mtd_block_isbad(master, offs + slave->offset))
+			if (mtd_block_isreserved(master, offs + slave->offset))
+				slave->mtd.ecc_stats.bbtblocks++;
+			else if (mtd_block_isbad(master, offs + slave->offset))
 				slave->mtd.ecc_stats.badblocks++;
 			offs += slave->mtd.erasesize;
 		}