commit 60f8a5330ca921d936ae306bf6d17596b82b518c
author Jeff Sharkey <jsharkey@android.com> Tue May 30 14:38:42 2017 -0600
committer Jeff Sharkey <jsharkey@android.com> Tue May 30 16:08:42 2017 -0600
tree 275a1dc3dd1e16461156a735a7c194b4a12c191c
parent 8caf56ef7caf33a602ef0d99afc6469f723fb1eb

Consistent "low storage" behavior.

When freeing cached data, the caller can now provide a "reserved"
size which we won't clear cached data from.

Bug: 38008706
Test: cts-tradefed run commandAndExit cts-dev -m CtsJobSchedulerTestCases -t android.jobscheduler.cts.StorageConstraintTest
Test: cts-tradefed run commandAndExit cts-dev -m CtsAppSecurityHostTestCases -t android.appsecurity.cts.StorageHostTest
Change-Id: Ieb91b3e5345a950d4785fd7915f520f0a68a567a

cmds/installd/tests/installd_cache_test.cpp

diff --git a/cmds/installd/tests/installd_cache_test.cpp b/cmds/installd/tests/installd_cache_test.cpp
index 174ce77..aed068c 100644
--- a/cmds/installd/tests/installd_cache_test.cpp
+++ b/cmds/installd/tests/installd_cache_test.cpp
@@ -146,7 +146,7 @@
     EXPECT_EQ(0, exists("com.example/cache/foo/one"));
     EXPECT_EQ(0, exists("com.example/cache/foo/two"));
 
-    service->freeCache(testUuid, kTbInBytes,
+    service->freeCache(testUuid, kTbInBytes, 0,
             FLAG_FREE_CACHE_V2 | FLAG_FREE_CACHE_V2_DEFY_QUOTA);
 
     EXPECT_EQ(0, exists("com.example/normal"));
@@ -163,13 +163,13 @@
     touch("com.example/cache/foo/one", kMbInBytes, 60);
     touch("com.example/cache/foo/two", kMbInBytes, 120);
 
-    service->freeCache(testUuid, free() + kKbInBytes,
+    service->freeCache(testUuid, free() + kKbInBytes, 0,
             FLAG_FREE_CACHE_V2 | FLAG_FREE_CACHE_V2_DEFY_QUOTA);
 
     EXPECT_EQ(-1, exists("com.example/cache/foo/one"));
     EXPECT_EQ(0, exists("com.example/cache/foo/two"));
 
-    service->freeCache(testUuid, free() + kKbInBytes,
+    service->freeCache(testUuid, free() + kKbInBytes, 0,
             FLAG_FREE_CACHE_V2 | FLAG_FREE_CACHE_V2_DEFY_QUOTA);
 
     EXPECT_EQ(-1, exists("com.example/cache/foo/one"));
@@ -197,7 +197,7 @@
     EXPECT_EQ(2 * kMbInBytes, size("com.example/cache/bar/bar1"));
     EXPECT_EQ(2 * kMbInBytes, size("com.example/cache/bar/bar2"));
 
-    service->freeCache(testUuid, kTbInBytes,
+    service->freeCache(testUuid, kTbInBytes, 0,
             FLAG_FREE_CACHE_V2 | FLAG_FREE_CACHE_V2_DEFY_QUOTA);
 
     EXPECT_EQ(-1, exists("com.example/cache/foo/foo1"));
@@ -219,7 +219,7 @@
 
     setxattr("com.example/cache/foo", "user.cache_group");
 
-    service->freeCache(testUuid, free() + kKbInBytes,
+    service->freeCache(testUuid, free() + kKbInBytes, 0,
             FLAG_FREE_CACHE_V2 | FLAG_FREE_CACHE_V2_DEFY_QUOTA);
 
     EXPECT_EQ(-1, exists("com.example/cache/foo/foo1"));
@@ -264,7 +264,7 @@
     setxattr("com.example/cache/tomb", "user.cache_tombstone");
     setxattr("com.example/cache/tomb/group", "user.cache_group");
 
-    service->freeCache(testUuid, free() + kKbInBytes,
+    service->freeCache(testUuid, free() + kKbInBytes, 0,
             FLAG_FREE_CACHE_V2 | FLAG_FREE_CACHE_V2_DEFY_QUOTA);
 
     EXPECT_EQ(kMbInBytes, size("com.example/cache/group/file1"));
@@ -285,7 +285,7 @@
     EXPECT_EQ(0, size("com.example/cache/tomb/group/dir/file1"));
     EXPECT_EQ(0, size("com.example/cache/tomb/group/dir/file2"));
 
-    service->freeCache(testUuid, free() + kKbInBytes,
+    service->freeCache(testUuid, free() + kKbInBytes, 0,
             FLAG_FREE_CACHE_V2 | FLAG_FREE_CACHE_V2_DEFY_QUOTA);
 
     EXPECT_EQ(-1, size("com.example/cache/group/file1"));
@@ -306,7 +306,7 @@
     EXPECT_EQ(0, size("com.example/cache/tomb/group/dir/file1"));
     EXPECT_EQ(0, size("com.example/cache/tomb/group/dir/file2"));
 
-    service->freeCache(testUuid, kTbInBytes,
+    service->freeCache(testUuid, kTbInBytes, 0,
             FLAG_FREE_CACHE_V2 | FLAG_FREE_CACHE_V2_DEFY_QUOTA);
 
     EXPECT_EQ(-1, size("com.example/cache/group/file1"));