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authorLinux Build Service Account <lnxbuild@localhost>2018-07-10 22:43:57 -0700
committerGerrit - the friendly Code Review server <code-review@localhost>2018-07-10 22:43:57 -0700
commit4049db73f1a32cd633827f479cb25fdcd231d7f4 (patch)
treeae3c1d3eb12080b447d732ba37540bb9f87f3a48 /drivers/md/dm-thin.c
parent62b5f32c45c31528c5228a44c59d150e8a786421 (diff)
parente1496b74425e222e349b829e84415a380a59f178 (diff)
Merge "Merge android-4.4.139 (7ba5557) into msm-4.4"
Diffstat (limited to 'drivers/md/dm-thin.c')
-rw-r--r--drivers/md/dm-thin.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index 5f1a943d9e81..87454a745e13 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -1299,6 +1299,8 @@ static void schedule_external_copy(struct thin_c *tc, dm_block_t virt_block,
static void set_pool_mode(struct pool *pool, enum pool_mode new_mode);
+static void requeue_bios(struct pool *pool);
+
static void check_for_space(struct pool *pool)
{
int r;
@@ -1311,8 +1313,10 @@ static void check_for_space(struct pool *pool)
if (r)
return;
- if (nr_free)
+ if (nr_free) {
set_pool_mode(pool, PM_WRITE);
+ requeue_bios(pool);
+ }
}
/*
@@ -1389,7 +1393,10 @@ static int alloc_data_block(struct thin_c *tc, dm_block_t *result)
r = dm_pool_alloc_data_block(pool->pmd, result);
if (r) {
- metadata_operation_failed(pool, "dm_pool_alloc_data_block", r);
+ if (r == -ENOSPC)
+ set_pool_mode(pool, PM_OUT_OF_DATA_SPACE);
+ else
+ metadata_operation_failed(pool, "dm_pool_alloc_data_block", r);
return r;
}