diff options
| author | Paul Mundt <lethal@linux-sh.org> | 2010-05-24 08:52:55 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2010-05-24 08:52:55 +0900 |
| commit | 1f782fee18b39b9ad438ebbd82c2915a16c879ee (patch) | |
| tree | f292930065e6c860714c134790ab8882680ac739 /fs/nilfs2/the_nilfs.c | |
| parent | 8eda2f21ed9c936a54fd7bc16cbfa5ee656635c2 (diff) | |
| parent | f4b87dee923342505e1ddba8d34ce9de33e75050 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'fs/nilfs2/the_nilfs.c')
| -rw-r--r-- | fs/nilfs2/the_nilfs.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c index 33871f7e4f0..8c1097327ab 100644 --- a/fs/nilfs2/the_nilfs.c +++ b/fs/nilfs2/the_nilfs.c @@ -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]); @@ -670,7 +674,7 @@ int nilfs_discard_segments(struct the_nilfs *nilfs, __u64 *segnump, start * sects_per_block, nblocks * sects_per_block, GFP_NOFS, - DISCARD_FL_BARRIER); + BLKDEV_IFL_BARRIER); if (ret < 0) return ret; nblocks = 0; @@ -680,7 +684,7 @@ int nilfs_discard_segments(struct the_nilfs *nilfs, __u64 *segnump, ret = blkdev_issue_discard(nilfs->ns_bdev, start * sects_per_block, nblocks * sects_per_block, - GFP_NOFS, DISCARD_FL_BARRIER); + GFP_NOFS, BLKDEV_IFL_BARRIER); return ret; } |