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Diffstat (limited to 'fs/nilfs2/the_nilfs.c')
-rw-r--r--fs/nilfs2/the_nilfs.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c
index 92733d5651d2..a756168a21c2 100644
--- a/fs/nilfs2/the_nilfs.c
+++ b/fs/nilfs2/the_nilfs.c
@@ -386,7 +386,7 @@ static int nilfs_store_disk_layout(struct the_nilfs *nilfs,
nilfs->ns_blocks_per_segment = le32_to_cpu(sbp->s_blocks_per_segment);
if (nilfs->ns_blocks_per_segment < NILFS_SEG_MIN_BLOCKS) {
- printk(KERN_ERR "NILFS: too short segment. \n");
+ printk(KERN_ERR "NILFS: too short segment.\n");
return -EINVAL;
}
@@ -486,11 +486,15 @@ static int nilfs_load_super_block(struct the_nilfs *nilfs,
printk(KERN_WARNING
"NILFS warning: unable to read secondary superblock\n");
+ /*
+ * Compare two super blocks and set 1 in swp if the secondary
+ * super block is valid and newer. Otherwise, set 0 in swp.
+ */
valid[0] = nilfs_valid_sb(sbp[0]);
valid[1] = nilfs_valid_sb(sbp[1]);
- swp = valid[1] &&
- (!valid[0] ||
- le64_to_cpu(sbp[1]->s_wtime) > le64_to_cpu(sbp[0]->s_wtime));
+ swp = valid[1] && (!valid[0] ||
+ le64_to_cpu(sbp[1]->s_last_cno) >
+ le64_to_cpu(sbp[0]->s_last_cno));
if (valid[swp] && nilfs_sb2_bad_offset(sbp[swp], sb2off)) {
brelse(sbh[1]);