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authorMarcel Ziswiler <marcel.ziswiler@toradex.com>2017-06-17 17:01:11 +0200
committerMarcel Ziswiler <marcel.ziswiler@toradex.com>2017-06-17 17:01:11 +0200
commitc1d5fe2d54551b95b812143d94d8168da2220dd8 (patch)
treefdde4472ab2b19fcadaae22d68a0c9b008f74373 /drivers/md/persistent-data
parent0068a1b36d309f22698f7de7478b72e672360129 (diff)
parent1bd30958ec55d80ca72d2ca4e7e5c3d9fbf3173e (diff)
Merge tag 'v4.4.73' into toradex_vf_4.4-nextColibri-VF_LXDE-Image_2.7b3-20170630
This is the 4.4.73 stable release
Diffstat (limited to 'drivers/md/persistent-data')
-rw-r--r--drivers/md/persistent-data/dm-btree.c8
-rw-r--r--drivers/md/persistent-data/dm-space-map-disk.c15
2 files changed, 20 insertions, 3 deletions
diff --git a/drivers/md/persistent-data/dm-btree.c b/drivers/md/persistent-data/dm-btree.c
index b1ced58eb5e1..a1a68209bd36 100644
--- a/drivers/md/persistent-data/dm-btree.c
+++ b/drivers/md/persistent-data/dm-btree.c
@@ -887,8 +887,12 @@ static int find_key(struct ro_spine *s, dm_block_t block, bool find_highest,
else
*result_key = le64_to_cpu(ro_node(s)->keys[0]);
- if (next_block || flags & INTERNAL_NODE)
- block = value64(ro_node(s), i);
+ if (next_block || flags & INTERNAL_NODE) {
+ if (find_highest)
+ block = value64(ro_node(s), i);
+ else
+ block = value64(ro_node(s), 0);
+ }
} while (flags & INTERNAL_NODE);
diff --git a/drivers/md/persistent-data/dm-space-map-disk.c b/drivers/md/persistent-data/dm-space-map-disk.c
index ebb280a14325..32adf6b4a9c7 100644
--- a/drivers/md/persistent-data/dm-space-map-disk.c
+++ b/drivers/md/persistent-data/dm-space-map-disk.c
@@ -142,10 +142,23 @@ static int sm_disk_inc_block(struct dm_space_map *sm, dm_block_t b)
static int sm_disk_dec_block(struct dm_space_map *sm, dm_block_t b)
{
+ int r;
+ uint32_t old_count;
enum allocation_event ev;
struct sm_disk *smd = container_of(sm, struct sm_disk, sm);
- return sm_ll_dec(&smd->ll, b, &ev);
+ r = sm_ll_dec(&smd->ll, b, &ev);
+ if (!r && (ev == SM_FREE)) {
+ /*
+ * It's only free if it's also free in the last
+ * transaction.
+ */
+ r = sm_ll_lookup(&smd->old_ll, b, &old_count);
+ if (!r && !old_count)
+ smd->nr_allocated_this_transaction--;
+ }
+
+ return r;
}
static int sm_disk_new_block(struct dm_space_map *sm, dm_block_t *b)