The previous sb_min_blocksize() has already set the block size. This piece of code was introduced in commit: afc7cbca5bfd556c3e12d3acefbee5ab0cbd4670 (ext4: Support large blocksize up to PAGESIZE) And it should be a mistake. Signed-off-by: Li Zefan <lizf@xxxxxxxxxxxxxx> --- fs/ext4/super.c | 5 ----- 1 files changed, 0 insertions(+), 5 deletions(-) diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 09d9359..5d07aa9 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -1843,11 +1843,6 @@ 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. -- 1.5.4.rc3 -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html