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Commit a394f4a4 authored by Michael Gernoth's avatar Michael Gernoth Committed by Ethan Chen
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PackageInstallerSession: use ftruncate if fallocate is ENOTSUP 

When posix_fallocate is not supported (e.g. on ext3), fall
back to using ftruncate instead.

Change-Id: I8f7792ed3f43504df21e86cff79ed34f3ba795d7
parent dfbc0f2b

services/core/java/com/android/server/pm/PackageInstallerSession.java

+9 −1
Original line number Diff line number Diff line
@@ -364,7 +364,15 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub { 
                if (stageDir != null && deltaBytes > 0) {

                    mPm.freeStorage(deltaBytes);

                }

                try {

                    Libcore.os.posix_fallocate(targetFd, 0, lengthBytes);

                } catch (ErrnoException e) {

                    if (e.errno == OsConstants.ENOTSUP) {

                        Libcore.os.ftruncate(targetFd, lengthBytes);

                    } else {

                        throw e.rethrowAsIOException();

                    }

                }

            }



            if (offsetBytes > 0) {