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author | Joern Engel <joern@logfs.org> | 2010-03-04 21:36:19 +0100 |
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committer | Joern Engel <joern@logfs.org> | 2010-03-04 21:36:19 +0100 |
commit | c6d3830140f1d56b07d8ab56a6e14ca3c492a39a (patch) | |
tree | 8dd9923b4217f6f7dc2735356d112fdcfa277852 /fs/logfs/gc.c | |
parent | 9421502b4fc894cc477be8fc49776830e37ca157 (diff) | |
download | lwn-c6d3830140f1d56b07d8ab56a6e14ca3c492a39a.tar.gz lwn-c6d3830140f1d56b07d8ab56a6e14ca3c492a39a.zip |
[LogFS] Only write journal if dirty
This prevents unnecessary journal writes. More importantly it prevents
an oops due to a journal write on failed mount.
Diffstat (limited to 'fs/logfs/gc.c')
-rw-r--r-- | fs/logfs/gc.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/logfs/gc.c b/fs/logfs/gc.c index b3656c44190e..92949f95a901 100644 --- a/fs/logfs/gc.c +++ b/fs/logfs/gc.c @@ -469,7 +469,7 @@ static void __logfs_gc_pass(struct super_block *sb, int target) /* Sync in-memory state with on-medium state in case they * diverged */ - logfs_write_anchor(super->s_master_inode); + logfs_write_anchor(sb); round += logfs_scan_some(sb); if (no_free_segments(sb) >= target) goto write_alias; @@ -613,8 +613,8 @@ void logfs_gc_pass(struct super_block *sb) */ if (super->s_dirty_used_bytes + super->s_dirty_free_bytes + LOGFS_MAX_OBJECTSIZE >= super->s_free_bytes) - logfs_write_anchor(super->s_master_inode); - __logfs_gc_pass(sb, logfs_super(sb)->s_total_levels); + logfs_write_anchor(sb); + __logfs_gc_pass(sb, super->s_total_levels); logfs_wl_pass(sb); logfs_journal_wl_pass(sb); } |