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authorRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2010-06-29 14:42:13 +0900
committerRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2010-07-23 10:02:11 +0900
commit325020477a51ffa849418b3e38189fd266f2ae20 (patch)
treea02d99b61ed3b98fbbd56f857fdd46808326dff7 /fs/nilfs2/segment.c
parent6c12516083cf51b6e576691ac6e20c4a32f4edb9 (diff)
downloadlinux-stericsson-325020477a51ffa849418b3e38189fd266f2ae20.tar.gz
nilfs2: do not update log cursor for small change
Super blocks of nilfs are periodically overwritten in order to record the recent log position. This shortens recovery time after unclean unmount, but the current implementation performs the update even for a few blocks of change. If the filesystem gets small changes slowly and continually, super blocks may be updated excessively. This moderates the issue by skipping update of log cursor if it does not cross a segment boundary. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Diffstat (limited to 'fs/nilfs2/segment.c')
-rw-r--r--fs/nilfs2/segment.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index 04e04854a311..9fd051a33c4f 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -1951,7 +1951,6 @@ static void nilfs_segctor_complete_write(struct nilfs_sc_info *sci)
if (update_sr) {
nilfs_set_last_segment(nilfs, segbuf->sb_pseg_start,
segbuf->sb_sum.seg_seq, nilfs->ns_cno++);
- set_nilfs_sb_dirty(nilfs);
clear_bit(NILFS_SC_HAVE_DELTA, &sci->sc_flags);
clear_bit(NILFS_SC_DIRTY, &sci->sc_flags);