diff options
| -rw-r--r-- | drivers/md/dm-log.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/md/dm-log.c b/drivers/md/dm-log.c index 9443896ede0..31dc33df95c 100644 --- a/drivers/md/dm-log.c +++ b/drivers/md/dm-log.c @@ -208,7 +208,8 @@ struct log_header { struct log_c { struct dm_target *ti; - int touched; + int touched_dirtied; + int touched_cleaned; uint32_t region_size; unsigned int region_count; region_t sync_count; @@ -253,14 +254,14 @@ static inline void log_set_bit(struct log_c *l, uint32_t *bs, unsigned bit) { ext2_set_bit(bit, (unsigned long *) bs); - l->touched = 1; + l->touched_cleaned = 1; } static inline void log_clear_bit(struct log_c *l, uint32_t *bs, unsigned bit) { ext2_clear_bit(bit, (unsigned long *) bs); - l->touched = 1; + l->touched_dirtied = 1; } /*---------------------------------------------------------------- @@ -378,7 +379,8 @@ static int create_log_context(struct dm_dirty_log *log, struct dm_target *ti, } lc->ti = ti; - lc->touched = 0; + lc->touched_dirtied = 0; + lc->touched_cleaned = 0; lc->region_size = region_size; lc->region_count = region_count; lc->sync = sync; @@ -660,14 +662,16 @@ static int disk_flush(struct dm_dirty_log *log) struct log_c *lc = (struct log_c *) log->context; /* only write if the log has changed */ - if (!lc->touched) + if (!lc->touched_cleaned && !lc->touched_dirtied) return 0; r = rw_header(lc, WRITE); if (r) fail_log_device(lc); - else - lc->touched = 0; + else { + lc->touched_dirtied = 0; + lc->touched_cleaned = 0; + } return r; } |