No description
cffa413de4
This fixes the case when all the following conditions are true: 1: Incremental OTA 2: When there are sequence of overlapping COPY operations within one merge-window (510 blocks) 3: Device is rebooted when snapshot-merge is in-progress of this merge-window. When device reboots, the state of merge-window (of 510 blocks) was merge-in-progress (aka - only partial set of blocks were merged in this window thereby the state of the base device is in-complete for this window) 4: During the next boot, if there any I/O request from the filesystem which maps to the merge-window in (3): a: The data has to be retrieved from the scratch space of the COW until the snapshot-merge for that window is completed. b: Once the snapshot-merge is complete for that window, data has to be retrieved from base device. The bug was in step 4(a) wherein I/O request was getting routed to base device. This patch addresses the above flow by fixing step 4(a). A new vts test has been added to explicitly track this issue. Additionally, there is no need to re-scan the partition if partition is in merge resume path. This should cut down the overhead of the scan. Bug: 275296365 Test: 1: 100 iterations of ./vts_snapuserd_test --gtest_filter=SnapuserdTest.Snapshot_COPY_Overlap_Merge_Resume_IO_Validate_TEST 2: Incremental OTA on Pixel 6 Pro with multiple iterations of device reboot when merge is in progress Change-Id: Ib53be7f07ff192a84ec7f7049b2c6be01dad1041 Signed-off-by: Akilesh Kailash <akailash@google.com> |
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| cli-test | ||
| code_coverage | ||
| debuggerd | ||
| diagnose_usb | ||
| fastboot | ||
| fs_mgr | ||
| gatekeeperd | ||
| healthd | ||
| include | ||
| init | ||
| janitors | ||
| libappfuse | ||
| libasyncio | ||
| libcrypto_utils | ||
| libcutils | ||
| libgrallocusage | ||
| libkeyutils | ||
| libmodprobe | ||
| libnetutils | ||
| libpackagelistparser | ||
| libprocessgroup | ||
| libsparse | ||
| libstats | ||
| libsuspend | ||
| libsync | ||
| libsystem | ||
| libsysutils | ||
| libusbhost | ||
| libutils | ||
| libvndksupport | ||
| llkd | ||
| mini_keyctl | ||
| mkbootfs | ||
| property_service | ||
| reboot | ||
| rootdir | ||
| run-as | ||
| sdcard | ||
| shell_and_utilities | ||
| storaged | ||
| toolbox | ||
| trusty | ||
| usbd | ||
| watchdogd | ||
| .clang-format | ||
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| .gitignore | ||
| CleanSpec.mk | ||
| METADATA | ||
| MODULE_LICENSE_APACHE2 | ||
| OWNERS | ||
| PREUPLOAD.cfg | ||
| rustfmt.toml | ||