summaryrefslogtreecommitdiffstats
path: root/drivers/md/dm-thin-metadata.c
diff options
context:
space:
mode:
authorRob Herring <robh@kernel.org>2014-01-17 16:01:27 -0600
committerRob Herring <robh@kernel.org>2014-01-17 16:01:27 -0600
commit361128fcbf30f590a05c8e8789155364f37367db (patch)
tree7f7973599e286dfd48ea724a5b7fb4bca76b294e /drivers/md/dm-thin-metadata.c
parente2897d7e0b0460dca91b52d55ce41c888363502d (diff)
parent482c43419fc204b4b658fa4acb80cd502e5fcbac (diff)
downloadlinux-361128fcbf30f590a05c8e8789155364f37367db.tar.bz2
Merge remote-tracking branch 'grant/devicetree/next' into for-3.14
Diffstat (limited to 'drivers/md/dm-thin-metadata.c')
-rw-r--r--drivers/md/dm-thin-metadata.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
index 60bce435f4fa..8a30ad54bd46 100644
--- a/drivers/md/dm-thin-metadata.c
+++ b/drivers/md/dm-thin-metadata.c
@@ -1697,6 +1697,14 @@ void dm_pool_metadata_read_only(struct dm_pool_metadata *pmd)
up_write(&pmd->root_lock);
}
+void dm_pool_metadata_read_write(struct dm_pool_metadata *pmd)
+{
+ down_write(&pmd->root_lock);
+ pmd->read_only = false;
+ dm_bm_set_read_write(pmd->bm);
+ up_write(&pmd->root_lock);
+}
+
int dm_pool_register_metadata_threshold(struct dm_pool_metadata *pmd,
dm_block_t threshold,
dm_sm_threshold_fn fn,