diff options
| -rw-r--r-- | fs/nilfs2/the_nilfs.c | 4 | ||||
| -rw-r--r-- | include/linux/nilfs2_fs.h | 1 |
2 files changed, 3 insertions, 2 deletions
diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c index ba7c10c917fc..461b7211e14f 100644 --- a/fs/nilfs2/the_nilfs.c +++ b/fs/nilfs2/the_nilfs.c @@ -468,8 +468,8 @@ static unsigned long long nilfs_max_size(unsigned int blkbits) static int nilfs_store_disk_layout(struct the_nilfs *nilfs, struct nilfs_super_block *sbp) { - if (le32_to_cpu(sbp->s_rev_level) != NILFS_CURRENT_REV) { - printk(KERN_ERR "NILFS: revision mismatch " + if (le32_to_cpu(sbp->s_rev_level) < NILFS_MIN_SUPP_REV) { + printk(KERN_ERR "NILFS: unsupported revision " "(superblock rev.=%d.%d, current rev.=%d.%d). " "Please check the version of mkfs.nilfs.\n", le32_to_cpu(sbp->s_rev_level), diff --git a/include/linux/nilfs2_fs.h b/include/linux/nilfs2_fs.h index f5487b6f91ed..b07f5cdff5e2 100644 --- a/include/linux/nilfs2_fs.h +++ b/include/linux/nilfs2_fs.h @@ -229,6 +229,7 @@ struct nilfs_super_block { */ #define NILFS_CURRENT_REV 2 /* current major revision */ #define NILFS_MINOR_REV 0 /* minor revision */ +#define NILFS_MIN_SUPP_REV 2 /* minimum supported revision */ /* * Feature set definitions |