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-rw-r--r--fs/ext4/super.c5
-rw-r--r--include/linux/ext4_fs.h4
2 files changed, 7 insertions, 2 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 1ca0f546c46..ab7010dde1b 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1624,6 +1624,11 @@ static int ext4_fill_super (struct super_block *sb, void *data, int silent)
goto out_fail;
}
+ if (!sb_set_blocksize(sb, blocksize)) {
+ printk(KERN_ERR "EXT4-fs: bad blocksize %d.\n", blocksize);
+ goto out_fail;
+ }
+
/*
* The ext4 superblock will not be buffer aligned for other than 1kB
* block sizes. We need to calculate the offset from buffer start.
diff --git a/include/linux/ext4_fs.h b/include/linux/ext4_fs.h
index 97dd409d5f4..dfe4487fc73 100644
--- a/include/linux/ext4_fs.h
+++ b/include/linux/ext4_fs.h
@@ -73,8 +73,8 @@
* Macro-instructions used to manage several block sizes
*/
#define EXT4_MIN_BLOCK_SIZE 1024
-#define EXT4_MAX_BLOCK_SIZE 4096
-#define EXT4_MIN_BLOCK_LOG_SIZE 10
+#define EXT4_MAX_BLOCK_SIZE 65536
+#define EXT4_MIN_BLOCK_LOG_SIZE 10
#ifdef __KERNEL__
# define EXT4_BLOCK_SIZE(s) ((s)->s_blocksize)
#else