From 50ffc3b64aa3c8113f0a9fc31ea96e596d60054a Mon Sep 17 00:00:00 2001 From: "Lan Yixun (dlan)" Date: Sat, 20 Jul 2013 08:17:59 +0800 Subject: [PATCH] fs/ext4: fix log2blksz un-initialized error, by cacaulating its value from blksz The problem here is that uboot can't mount ext4 filesystem with commit "50ce4c07df1" applied. We use hard-coded "SECTOR_SIZE"(512) before this commit, now we introduce (block_dev_desc_t *)->log2blksz to replace this macro. And after we calling do_ls()->fs_set_blk_dev(), the variable log2blksz is not initialized, which it's not correct. And this patch try to solve the problem by caculating the value of log2blksz from variable blksz. --- disk/part.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/disk/part.c b/disk/part.c index d73625c..9400a97 100644 --- a/disk/part.c +++ b/disk/part.c @@ -548,6 +548,8 @@ int get_device_and_partition(const char *ifname, const char *dev_part_str, goto cleanup; } + (*dev_desc)->log2blksz = LOG2((*dev_desc)->blksz); + info->start = 0; info->size = (*dev_desc)->lba; info->blksz = (*dev_desc)->blksz; @@ -631,6 +633,8 @@ int get_device_and_partition(const char *ifname, const char *dev_part_str, goto cleanup; } + (*dev_desc)->log2blksz = LOG2((*dev_desc)->blksz); + ret = part; goto cleanup;