diff options
author | Mark Brown <broonie@linaro.org> | 2013-07-22 11:16:51 +0100 |
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committer | Mark Brown <broonie@linaro.org> | 2013-07-22 11:16:51 +0100 |
commit | 9f6772da061814c2962aeb7d79231f7510dba313 (patch) | |
tree | e0c4a856204af6adff125ee61fe1f3059cada71b /fs/ext4/mballoc.c | |
parent | d998ec4860d366424a55059093bb022beb38a61d (diff) | |
parent | 0f4a56e16d5fc9028b62ba529177a3109513e111 (diff) |
Merge tag 'v3.10.2' into linux-linaro-lsk-androidlsk-android
This is the 3.10.2 stable release
Diffstat (limited to 'fs/ext4/mballoc.c')
-rw-r--r-- | fs/ext4/mballoc.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index def84082a9a..59c6750b894 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -4735,11 +4735,16 @@ do_more: * blocks being freed are metadata. these blocks shouldn't * be used until this transaction is committed */ + retry: new_entry = kmem_cache_alloc(ext4_free_data_cachep, GFP_NOFS); if (!new_entry) { - ext4_mb_unload_buddy(&e4b); - err = -ENOMEM; - goto error_return; + /* + * We use a retry loop because + * ext4_free_blocks() is not allowed to fail. + */ + cond_resched(); + congestion_wait(BLK_RW_ASYNC, HZ/50); + goto retry; } new_entry->efd_start_cluster = bit; new_entry->efd_group = block_group; |