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authorAlex Shi <alex.shi@linaro.org>2016-03-14 15:37:56 +0800
committerAlex Shi <alex.shi@linaro.org>2016-03-14 15:37:56 +0800
commit0f7fc48d4378ac087ef7e69a6e675b0d9280999e (patch)
treef0c005b00166eca0ce2648487cde89866447645f /drivers/md/dm-thin-metadata.c
parent4fc0eccae84a29106ed944588ba641e9039ccfbc (diff)
parentfbb0b56de45bc81681eeeaec29e6c1e3ff12a200 (diff)
Merge branch 'linux-linaro-lsk-v3.10' into linux-linaro-lsk-v3.10-androidlsk-v3.10-16.03-androidlinux-linaro-lsk-v3.10-android
Diffstat (limited to 'drivers/md/dm-thin-metadata.c')
-rw-r--r--drivers/md/dm-thin-metadata.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
index 43f6250baadd..4bf9211b2740 100644
--- a/drivers/md/dm-thin-metadata.c
+++ b/drivers/md/dm-thin-metadata.c
@@ -1191,6 +1191,12 @@ static int __reserve_metadata_snap(struct dm_pool_metadata *pmd)
dm_block_t held_root;
/*
+ * We commit to ensure the btree roots which we increment in a
+ * moment are up to date.
+ */
+ __commit_transaction(pmd);
+
+ /*
* Copy the superblock.
*/
dm_sm_inc_block(pmd->metadata_sm, THIN_SUPERBLOCK_LOCATION);