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Commit d2642f37 authored by Akilesh Kailash's avatar Akilesh Kailash Committed by Automerger Merge Worker
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Merge "snapshotctl: fsync after writing every 1MB buffer" into main am:... 

Merge "snapshotctl: fsync after writing every 1MB buffer" into main am: 37e7498f am: 6726abe6 am: d1cef4f2

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2852969



Change-Id: Id5cf0055fcdcc16884cee735649b4e9eb4398aa8
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents e0be616a d1cef4f2

fs_mgr/libsnapshot/snapshotctl.cpp

+5 −1
Original line number Diff line number Diff line
@@ -227,8 +227,12 @@ bool MapSnapshots::WriteSnapshotPatch(std::string cow_device, std::string patch) 
        if (file_offset >= dev_sz) {

            break;

        }



        if (fsync(cfd.get()) < 0) {

            PLOG(ERROR) << "Fsync failed at offset: " << file_offset << " size: " << to_read;

            return false;

        }

    }

    fsync(cfd.get());

    return true;

}