diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/nilfs2/nilfs.h | 2 | ||||
| -rw-r--r-- | fs/nilfs2/super.c | 30 |
2 files changed, 19 insertions, 13 deletions
diff --git a/fs/nilfs2/nilfs.h b/fs/nilfs2/nilfs.h index 469541711a1..6718616183b 100644 --- a/fs/nilfs2/nilfs.h +++ b/fs/nilfs2/nilfs.h @@ -270,6 +270,8 @@ extern struct nilfs_super_block * nilfs_read_super_block(struct super_block *, u64, int, struct buffer_head **); extern int nilfs_store_magic_and_option(struct super_block *, struct nilfs_super_block *, char *); +extern void nilfs_set_log_cursor(struct nilfs_super_block *, + struct the_nilfs *); extern int nilfs_commit_super(struct nilfs_sb_info *, int); extern int nilfs_cleanup_super(struct nilfs_sb_info *); extern int nilfs_attach_checkpoint(struct nilfs_sb_info *, __u64); diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c index 4a85dfb70b8..c5328c8ba1d 100644 --- a/fs/nilfs2/super.c +++ b/fs/nilfs2/super.c @@ -237,13 +237,27 @@ static int nilfs_sync_super(struct nilfs_sb_info *sbi, int dupsb) return err; } +void nilfs_set_log_cursor(struct nilfs_super_block *sbp, + struct the_nilfs *nilfs) +{ + sector_t nfreeblocks; + + /* nilfs->ns_sem must be locked by the caller. */ + nilfs_count_free_blocks(nilfs, &nfreeblocks); + sbp->s_free_blocks_count = cpu_to_le64(nfreeblocks); + + spin_lock(&nilfs->ns_last_segment_lock); + sbp->s_last_seq = cpu_to_le64(nilfs->ns_last_seq); + sbp->s_last_pseg = cpu_to_le64(nilfs->ns_last_pseg); + sbp->s_last_cno = cpu_to_le64(nilfs->ns_last_cno); + spin_unlock(&nilfs->ns_last_segment_lock); +} + int nilfs_commit_super(struct nilfs_sb_info *sbi, int dupsb) { struct the_nilfs *nilfs = sbi->s_nilfs; struct nilfs_super_block **sbp = nilfs->ns_sbp; - sector_t nfreeblocks; time_t t; - int err; /* nilfs->sem must be locked by the caller. */ if (sbp[0]->s_magic != cpu_to_le16(NILFS_SUPER_MAGIC)) { @@ -255,20 +269,10 @@ int nilfs_commit_super(struct nilfs_sb_info *sbi, int dupsb) return -EIO; } } - err = nilfs_count_free_blocks(nilfs, &nfreeblocks); - if (unlikely(err)) { - printk(KERN_ERR "NILFS: failed to count free blocks\n"); - return err; - } - spin_lock(&nilfs->ns_last_segment_lock); - sbp[0]->s_last_seq = cpu_to_le64(nilfs->ns_last_seq); - sbp[0]->s_last_pseg = cpu_to_le64(nilfs->ns_last_pseg); - sbp[0]->s_last_cno = cpu_to_le64(nilfs->ns_last_cno); - spin_unlock(&nilfs->ns_last_segment_lock); + nilfs_set_log_cursor(sbp[0], nilfs); t = get_seconds(); nilfs->ns_sbwtime[0] = t; - sbp[0]->s_free_blocks_count = cpu_to_le64(nfreeblocks); sbp[0]->s_wtime = cpu_to_le64(t); sbp[0]->s_sum = 0; sbp[0]->s_sum = cpu_to_le32(crc32_le(nilfs->ns_crc_seed, |