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authorAl Viro <viro@zeniv.linux.org.uk>2012-03-23 16:36:45 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2012-03-31 16:03:16 -0400
commit39429c5e4a2c56a39c9a1c9bdad54431c63104b0 (patch)
tree06abc2a4ff8d323b0358b768a71c7b651c3229f3 /arch/blackfin
parent2f99c36986ff27a86f06f27212c5f5fa8c7164a3 (diff)
downloadop-kernel-dev-39429c5e4a2c56a39c9a1c9bdad54431c63104b0.zip
op-kernel-dev-39429c5e4a2c56a39c9a1c9bdad54431c63104b0.tar.gz
new helper: ext2_image_size()
... implemented that way since the next commit will leave it almost alone in ext2_fs.h - most of the file (including struct ext2_super_block) is going to move to fs/ext2/ext2.h. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/blackfin')
-rw-r--r--arch/blackfin/kernel/setup.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index 2aa0193..2ad747e 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -550,6 +550,7 @@ static __init void memory_setup(void)
{
#ifdef CONFIG_MTD_UCLINUX
unsigned long mtd_phys = 0;
+ unsigned long n;
#endif
unsigned long max_mem;
@@ -593,9 +594,9 @@ static __init void memory_setup(void)
mtd_size = PAGE_ALIGN(*((unsigned long *)(mtd_phys + 8)));
# if defined(CONFIG_EXT2_FS) || defined(CONFIG_EXT3_FS)
- if (*((unsigned short *)(mtd_phys + 0x438)) == EXT2_SUPER_MAGIC)
- mtd_size =
- PAGE_ALIGN(*((unsigned long *)(mtd_phys + 0x404)) << 10);
+ n = ext2_image_size((void *)(mtd_phys + 0x400));
+ if (n)
+ mtd_size = PAGE_ALIGN(n * 1024);
# endif
# if defined(CONFIG_CRAMFS)
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