Function Ext2IsFastIoPossible

Ext4Fsd/fastio.c:37–56

#endif

FAST_IO_POSSIBLE
Ext2IsFastIoPossible(
    IN PEXT2_FCB Fcb
)
{
    FAST_IO_POSSIBLE IsPossible = FastIoIsNotPossible;

    if (!Fcb || !FsRtlOplockIsFastIoPossible(&Fcb->Oplock))
        return IsPossible;

    IsPossible = FastIoIsQuestionable;

    if (!FsRtlAreThereCurrentFileLocks(&Fcb->FileLockAnchor)) {
        if (!IsVcbReadOnly(Fcb->Vcb) && !FlagOn(Fcb->Vcb->Flags, VCB_VOLUME_LOCKED)) {
            IsPossible = FastIoIsPossible;
        }
    }

    return IsPossible;
}


BOOLEAN