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Diffstat (limited to 'drivers/md/dm-snap-persistent.c')
-rw-r--r--drivers/md/dm-snap-persistent.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/md/dm-snap-persistent.c b/drivers/md/dm-snap-persistent.c
index c097d8a4823d..0b61792a2780 100644
--- a/drivers/md/dm-snap-persistent.c
+++ b/drivers/md/dm-snap-persistent.c
@@ -266,7 +266,7 @@ static int chunk_io(struct pstore *ps, void *area, chunk_t chunk, int rw,
*/
static chunk_t area_location(struct pstore *ps, chunk_t area)
{
- return 1 + ((ps->exceptions_per_area + 1) * area);
+ return NUM_SNAPSHOT_HDR_CHUNKS + ((ps->exceptions_per_area + 1) * area);
}
/*
@@ -687,7 +687,7 @@ static void persistent_commit_exception(struct dm_exception_store *store,
/*
* Commit exceptions to disk.
*/
- if (ps->valid && area_io(ps, WRITE_BARRIER))
+ if (ps->valid && area_io(ps, WRITE_FLUSH_FUA))
ps->valid = 0;
/*
@@ -780,8 +780,8 @@ static int persistent_commit_merge(struct dm_exception_store *store,
* ps->current_area does not get reduced by prepare_merge() until
* after commit_merge() has removed the nr_merged previous exceptions.
*/
- ps->next_free = (area_location(ps, ps->current_area) - 1) +
- (ps->current_committed + 1) + NUM_SNAPSHOT_HDR_CHUNKS;
+ ps->next_free = area_location(ps, ps->current_area) +
+ ps->current_committed + 1;
return 0;
}